It is seven thirty.提问
问题描述：
It is seven thirty.提问
A.What day is it?
B.What time is it
答
当然提问是,What time is it 了,这个句子完整的应该是
It is seven thirty(o'clock),只是o'clock被省略了,所以这句话是钟表时间,要用B来回答