He went out to Long Beach to thank Mr. Brown, who had provided assistance while he was studying at college. Arrangements ______ beforehand, of course.
A、have been made
B、are made
C、had been made
D、were made
【正确答案】：C
【题目解析】：因arrangement是在went out这一动作发生之前完成的，所以这里应使用过去完成时，被动语态符合题意。答案为C。
