问题补充：
It was a pity. The game wasn’t on yesterday the rain.
A. thanks for
B. because
C. because of
D. as
答案：
A. thanks for
B. because
(答案→)C. because of
D. as
解析：thanks for多亏；because因为；because of因为；as从属连词，引导原因状语从句，常位于句首。表示众所周知，显而易见的原因。句意：太可惜了。由于下雨，这个节目昨天没有上演。Because和as后面一般接从句，because of接短语，故选C。
