This is one of the best films this year.
A. have been shown
B. that have shown
C. that have been shown
D. which has been shown
网友回答
A. have been shown
B. that have shown
(答案→)C. that have been shown
D. which has been shown
解析：根据语境可知先行词是the film是物，且被best修饰故用that选择c。