Question 2 is based on the news report you have just heard.

听力原文

        White meat, such as chicken, may raise blood cholesterol levels as much as red meat does. (1) [This finding surprised researchers,] who admitted they didn’t expect that eating white meat would lead to higher blood cholesterol levels. In the study, researchers looked at 113 healthy people. The participants ate three different diets. These were a red meat diet, which is primarily beef, a white meat diet, which is mostly chicken and turkey, and a vegetarian protein diet. Each diet period was four weeks. Between the diet periods, participants had a break, during which they ate their regular foods. In addition, participants had blood tests at the start and finish of each new diet. The results showed that white and red meat diets had the same effects on blood cholesterol levels. Further, both diets increased blood cholesterol levels compared with the diet built on vegetarian protein sources. (2) [The team acknowledged that it is possible that white meat is better for our health than red meat despite their findings.] This is because other effects of red meat consumption could contribute to heart disease independent of cholesterol. Their main recommendations are that people eat less of both kinds of meat and more vegetarian protein.

2. What did the researchers acknowledge?（研究人员承认了什么？）

解析：C。录音后半部分提到，研究小组承认，白肉可能比红肉更有益于我们的健康（it is possible that white meat is better for our health than red meat）。C项与此相符，其中的healthier是对录音中better for our health的同义转述，故为正确答案。

错项排除：录音中，研究人员没有明确提到是否了解吃肉所带来的的所有影响，故A项排除。录音后半部分提到，食用红肉可能会导致与胆固醇无关的心脏疾病，B项与此相悖，故排除。录音中未提到与“吸收”有关的内容，D项中的absorb在录音中无依据，故排除。