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The number of children who have died from heatstroke this year after being left or getting trapped in hot cars is among the highest on record.So far in 2019, 49 children have died from vehicular heatstroke, according to the National Safety Council, a non-profit safety group.
While most deaths occur during the hotter summer months, they can also happen in other seasons and with outside temperatures in the 60s, said Jan Null, a lecturer in meteorology at San Jose State University.More deaths could happen before the end of the year, though Mr.Null pointed out that the last death in 2018 was in September.The growing number of hot-car deaths—an average of 38 each year for the past two decades—displays the difficultly of pinpointing their cause and finding viable solutions,advocates say.
Most of these deaths occurred when a parent or caregiver unintentionally left a child in the car and about a quarter of them happened when a child got into a car on their own, and about 19% occurred after a caregiver knowingly left a child in the car, according to Mr.Null. "Nobody wants to accept the fact that you're capable of doing this, but it's just how our brains work,"said Janette Fennell, president and founder of KidsAndCars.org."If you can forget your keys or your cellphone, you certainly have the capability of forgetting your child."
The temperature inside a car can rise about 20 degrees in just 10 minutes, according to researchers.Heatstroke can happen when a person's body temperature reaches 104 degrees, and it could turn lethal for children when their body temperature reaches 107 degrees.While the U.S.has experienced record-setting heat in recent years, Mr.Null said he couldn't specify an exact cause for the increase in child heatstroke deaths because a complex set of factors can play a role.Beyond the temperature outside or where a car is parked, psychological factors can come into play.As such, "there's not going to be one solution," he said.
Child-safety groups have pushed public-awareness campaigns over the years, and advocated for legislation and new technology in automobiles.A number of states have passed laws forbidding a person from leaving a child unattended in a vehicle because of safety concerns.For several years, advocacy groups have also pushed Congress to pass the Hot Cars Act,which would require new cars to be outfitted with child-safety alert systems.Bills were introduced in the Senate and House of Representatives earlier this year.
In Paragraph 2, Jan Null pointed out that_____
A
B
C
D
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答案：
解析：
：根据文章第二段中的描述，Jan Null指出虽然大多数死亡事件发生在夏季，但也可能发生在其他季节，而且随着气温的上升，今年可能会发生更多的死亡事件。因此，正确答案是B，即今年会发生更多的因车内高温导致的死亡事件。
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