She had______reason to be satisfied.You did such a good job.

问题描述:

She had______reason to be satisfied.You did such a good job.
A.any
B.each
C.every
D.all

因为A用在否定句中,B是两个每一个,C是3个或3个以上的每一个,D代表所有的
因为俱题,不可能是A,B.而reason是单数,所以是C