问题补充:
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
答案:
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。