for the breakdown of the school computer network Alice was in low spirits.A. BlamingB. Bl

问题补充：

for the breakdown of the school computer network,Alice was in low spirits.

A. Blaming

B. Blamed

C. To blame

D. To be blamed

答案：

A. Blaming

(答案→)B. Blamed

C. To blame

D. To be blamed

解析：非谓语动词作状语时，其逻辑主语就是主句的主语。本题blame与逻辑主语Alice之间是被动关系，而且是“受责备” 在先，“情绪低落” 在后，所以用过去分词表示被动、完成。句意为“由于使校园网出故障而收到批评，Alice情绪很低落”。