I don't think we----to go just yet,It's only eight.A.ought B

I don't think we_C.need___to go just yet,It's only eight.
我觉得我们不需要现在出发,才八点呢.
A.ought B.must C.need D.should
B.must 和D.should后面不跟to 而直接跟动词原型
A.ought 的话是应该的意思,不如需要合适