单选题
Some sufferers will quickly be restored to perfect health, ______ others will take a longer time.
A. which B. where C. when D. whereas
【正确答案】
D
【答案解析】本题考的是连词的上下文语义。根据上下文可知，whereas用于表示一种相反的情况，如：Some people like fat meat，whereas others hate it．有些人喜欢肥肉，而有些人讨厌肥肉。所以根据题意，选项D为正确答案。