问题
单项选择题
He has () a very odd set of people. I hope they won’t have a bad influence on him.
A. got mixed up with
B. got involved in
C. lined up with
D. come up with
答案
参考答案：A
解析：
get mixed up with“与……混在一起”；get involved in“卷入……”；line up with...“成为……同盟者；与……联合”；come up with“赶上；提出”。