Susan always thinks highly of her role in that film, makes others upset.
A. where
B. who
C. that
D. which
网友回答
A. where
B. who
C. that
(答案→)D. which
解析：考察非限制性定语从句。本句中的which指代前面一句话的内容，在句中作主语。句意：Susan总是高度评价自己在电影中的作用，这一点让其他人很难受。That不能引导非限制性定语从句。Where在句中做状语，而不是主语。Who的先行词是人。故D正确。