—Ihaveworkedharderthanbefore，butIstilldidn'tgetgoodgrad...

问题详情：

—I have worked harder than before，but I still didn't get good grades in math.

—Don't worry.______.

A．No problem  B．It takes time  C．Never mind

【回答】

B　取得成绩是需要时间的，B项符合句意。

知识点：口语应用

题型：选择题