问题补充：
If the man is only interested in your looks, just shows how shallow he is.
A. as
B. which
C. what
D. that
答案：
A. as
B. which
C. what
(答案→)D. that
解析：容易误选A或B，误这是非限制性定语从句。正确答案为D，注意逗号前是一个条件状语从句，逗号后是该状语从句的主句，that 在此代表前文所述的情况，用作主句的主语。类似地，下面几道题也选 that，而不选 which
