It's very late .That's ( ) they leave ( ).

问题描述:

It's very late .That's ( ) they leave ( ).
A .why ;in hurry B . why ; in a hurry C . where ; no hurryD. who; no hurry

第一空引导表语从句表示原因,填why;第二空表示“匆忙,慌张”,词组正确形式是“in a hurry",所以选B.