There was no electricity in the office,so she ______go to work yesterday.

问题描述:

There was no electricity in the office,so she ______go to work yesterday.
A.needn't B.didn't need to
选哪个呢,为什么?我比较偏向A,因为need不是常在陈述句中作实意动词么?

B,
选A体现不出过去时态