题目:
Which of the following best describes the function of the sentence in lines 21-26 (“In fact, time … in household technology”)?
选项:
A、 It offers an alternative interpretation of a phenomenon described in the previous sentence (lines 12-20).
B、 It provides the specific evidence on which an argument described in the previous sentence (lines 12-20) is based.
C、 It shifts the focus of the argument developed earlier in the passage.
D、 It introduces evidence that has not been taken into account by Vanek and Cowan.
E、 It introduces a topic for discussion that will be developed in the rest of the passage.
答案:
B