问题
选择题
As soon as the crew(船员) were attacked, the police _________to look into the matter.
A．set down
B．set out
C．set about
D．set up
答案
答案：B
题目分析：短语辨析。Set down写下，记下；set out to do sth开始做某事；set about doing sth开始丛某事；set up建立，设立，成立；句意：船员们一被攻击，警察就开始调查这起案件根据句意说明B正确。
点评：要注意定语的一词多义现象、Set down写下，记下；set out to do sth开始做某事；set about doing sth开始丛某事；set up建立，设立，成立；