Be quiet, please. We're going to have an English test. Now I'm going to ______ your papers. [ ]

A. give out

B. give up

C. give back

D. give away

下面属于“软碰撞”的是（）。

A、设备与室内装修冲突

B、缺陷检测

C、结构与机电预留预埋冲突

D、建筑与结构标高冲突