高频真题 test5
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A study of cardiovascular health involving a large, randomly selected group of adults found that members of the group who reported having taken aspirin regularly for the past five to ten years were significantly less likely to have developed heart disease than were members of the group who reported they had not taken aspirin regularly. Although suggestive, these results should not be interpreted as proof that taking aspirin regularly significantly reduces the likelihood of developing heart disease, since ___________.
Which of the following most logically completes the argument?
A
among those who did not take aspirin regularly, those who have healthful habits were less likely to have developed heart disease than were those who had unhealthful habits.
B
among those who took aspirin regularly, those who followed healthful diets were less likely to have developed heart disease than were those whose diets were unhealthful.
C
the study made no distinction between those who had taken aspirin regularly for only five years and those who had taken aspirin regularly for far longer periods.
D
those who took aspirin regularly were more likely than those who did not to have followed a healthy diet during the previous ten years.
E
those who had not taken aspirin regularly were more likely than those who had taken it regularly to have experienced difficulties with their circulatory systems during the preceding five years.
Select one answer choice.
答案与解析
我的答案
1.未作答
正确答案
1.D
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