I ______ with you because I was in London at the time.

问题描述:

I ______ with you because I was in London at the time.
A、 couldn't go B、 couldn't have gone C、shouldn't have gone D、needn't have gone

A
coundn't 是不能
go是去
couldn't go 是不能去
整句话意思是:我之所以不能去是因为这段时间我在伦敦