问题详情：
The building around the comer caught fire last night. The police are now _____the matter.
A. geeing through B. working out C. looking into D. watching over
【回答】
C．
解析：动词词组意义辨析。See through sb/sth识破，看穿，把事情进行到底,不用于进行时态；work out计算出，锻炼；look into调查；watch over sb/sth守卫、保护某人某事。
知识点：动词
题型：选择题
