A baby might show fear of an unfamiliar adult,_________

单选题A baby might show fear of an unfamiliar adult,__________ he is likely to smile and reach out to another infant.

[分析]结构识别
这几个词都是连词。if(表条件)如果，(表假设)要是，是否，即使；SO that(表结果)所以，因此；whereas(表对比，对立)然而，却，反之(相当于while)；whenever无论何时(引导让步状语从句)。此处应用一个表示对比的连词，所以C为答案。

1Having been found guilty, the man was given a severe__________ by the judge.

2The prisoner has been__________ of many privileges that average citizens enjoy.

3___________ is necessary for people to develop strong bones and teeth.