It’s necessary that he ____ in time to attend the meeting.

It’s necessary that he ____ in time to attend the meeting.
A、come
B、came
C、comes
D、will come
【正确答案】：A
【题目解析】：此题考查由it引导的主语从句。由形式主语，it引出的主语从句，用should+动词原形，should可省略。