–It’s raining heavily. Let’s stand under that big tree.

–______________. It’s very dangerous to do so in such weather.

A．We don’t have to

B．Let’s go

C．All right

D．We’d better not

物机部部长与供应商进行合同谈判，对合同关键性条款：价格、质量、验收方式、支付、诉讼管辖可以不按照按审核的意见执行，但必须有理有据。