----Is it my age the boss minds?
----I’m afraid not. He will consider necessary to have an experienced assistant.
A. which; it
B. that; it
C. which; that
D. that; that
网友回答
A. which; it
(答案→)B. that; it
C. which; that
D. that; that
解析：考查定语从句及形式宾语。根据句意。老板在乎的是我的年龄，可知定语从句修饰的是整句话，故引导词用that，下文代词指代后面不定式内容作形式宾语，故用it，选B。