______ofpollutingtheriverbypouringpoisonousmaterials,th...

问题详情：

______ of polluting the river by pouring poisonous materials, the boss got into a dilemma instantly.

A.  Approved       B. Accused

C. Being accusing  D. Being approved

【回答】

B

知识点：非谓语动词

题型：选择题