Whenever I met him, _____ was fairly often,I like his sweet and hopeful smile.
问题描述：
Whenever I met him, _____ was fairly often,I like his sweet and hopeful smile.
A.what
B.which
C.that
D.when
答
B这个句子是一个非限制性定语从句,而且前面有逗号,不能选C而这题不是问时间不选最后一个.which 指逗号前面描述的那件事