— Is it my age the boss minds?
—I’m afraid so. 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：本题考查强调句和it的用法。Is it...that 是强调句的疑问句形式。第二个空it是形式宾语。真正宾语是“to have an experienced assistant”。