If he ____ in landing a job, Tom will inform us immediately.

If he ____ in landing a job, Tom will inform us immediately.
A、succeeds
B、succeeded
C、will succeed
D、is succeeding
【正确答案】：A
【题目解析】：本题考查条件状语从句的时态(主将从现)。例如：If it rains tomorrow, I will stay at home. 如果明天下雨我就在家里呆着。