– What makes you so upset, Mr. Wang?

– That John, a student in my class, ______ himself to computer games.

A．withdraws

B．undertakes

C．conveys

D．abandons

结合图计算表1-7中的10项的工程量，所给图中如遇资料数据不全(缺欠)可自行补充。

　　　　　　　　表1-7 分部分项工程量计算表