Question

【题目】I had to catch my flight. That was ________ I left Tom’s party so early yesterday.

A. whatB. howC. why D. when

Answer 1

【答案】C

【解析】

试题分析：考查表语从句。句意：我必须赶航班。那就是我昨天为什么那么早离开汤姆的聚会。C项符合语境。