Question

The little girl felt upset ____ her pet dog died.
A. why    B. because of    C. because

Answer 1

C

這題考查原因狀語從句的用法：because引導(dǎo)原因狀語從句，句意是：因?yàn)閷櫸锕匪懒耍�小女孩感到難過。Because of是介詞短語，后面是接名詞。