Though the story of Li Yunlong in the TV drama “Bright Sword” is a fiction, much of happened is historically true.
A. that
B. what
C. which
D. it
网友回答
A. that
(答案→)B. what
C. which
D. it
解析：考查非限制性定语从句。先行词为a fiction，用which指先行词，小说中的许多应为much of which，句意：虽然在电视剧《亮剑》中李云龙的故事是小说，但是小说中发生的许多事是历史事实。故选B。