don't think the expertment is _____ failure.

问题描述:

don't think the expertment is _____ failure.
后面的词如果用于泛指,那么冠词要不要加 另外此处不可数名词和可数名词有没有区别.例题如下:We don't think the expertment is _____ failure.At least we have gained ______ sxperience for the future success.
A the.an
B a ,/
C a.an
D the the

选(C).