The parents are _____ their son who has

问题选择题

The parents are _____ their son who has been away from home for days.

A．in search of

B．to search

C．searching

D．searched for

答案

答案：A

考查句子结构。句意：这对父母正在寻找他们已经离家几天的儿子。不定式表示具体的将要进行的动作，选项B不符语义。Search表示寻找某物后面一般要加介词，根据语境可知本句也不是被动语态，故用短语in search of，选A。