—Idon'tknowwhetherIshouldchoosescienceasmymainsubjectof...

问题详情：

—I don't know whether I should choose science as my main subject of study, Mum．

—I leave       to your own judgment whether you should do it．

       A． that                      B． this                C． it                 D． what

【回答】

C

知识点：代词

题型：选择题