Question

It was March 11, 2011 ____ magnitude-9．0 earthquake struck Japan and subsequent

It was March 11, 2011 ____ magnitude-9．0 earthquake struck Japan and subsequent tsunami triggered the large-scale crisis．
A. that
B. when
C. in which
D. which

Answer 1

答案B
考察句子结构。本题容易错选A这个强调结构，因为原句中March 11, 2011前面少了on;故B正确。这是一个状语从句，结合句意可知B正确。句意：当9级地震攻击日本导致核泄漏的时候，时间是2011年3月11号。"