[-C20]I really don't think my best friend will be angry,but I'll go and see her,in case she ___.

问题描述:

[-C20]I really don't think my best friend will be angry,but I'll go and see her,in case she ___.
A.will be
B.is
C.does
D.has been
翻译并分析:为什么选B不选C?

省略的是she is angry 所以选B