My former class teacher asked me to go and see him whenever .
A. I will be convenient
B. it will be convenient
C. I am convenient
D. it is convenient
网友回答
A. I will be convenient
B. it will be convenient
C. I am convenient
(答案→)D. it is convenient
解析：句意：我以前的老师让我方便的时候随时去看他。Convenient“方便的”，主语不可以是人，而是物，而且whenever引导的让步状语从句用一般现在时代替一般将来时，所以选D。