单选题
Some people care much about their appearance and always ask if they look fine in ________ they are wearing.
【正确答案】
B
【答案解析】题干的意思是:“有些人太过在意外表,总是问穿着身上的衣服,自己是否看起来不错”。分析句子结构,_____ they are wearing是介词in后的宾语从句。根据三句话原则:what引导名词性从句(宾语从句),在从句中做wear的宾语,指代非人(穿的是衣服,自然不是人),判断选what。