以下短语哪个不能表达try的意思?（）
A、in an attempt to
B、do everything/all sb. can do
C、do what sb. could do
D、will be doing
【正确答案】：D
【题目解析】：考察短语: try努力. A选项in an attempt to力求, 力图做某事; B选项do everything/all sb. can do尽某人一切所能; C选项do what sb. could do做某人能做的事; D选项will be doing将要做某事. 故选D.
