问题
单项选择题
A baby might show fear to an unfamiliar adult,______ he is likely to smile and reach out to another infant.
A.if
B.whenever
C.whereas
D.because
答案
参考答案:C
解析:whereas意为“而”、“却”、“但是:相反”,连词,表示对比。如:Some people like fat meat,whereas others hate it. 有些人喜欢肥肉,相反有些人讨厌肥肉。根据句意,其他几个选择项都在语义上讲不通。