the computer centre,--last year is very popular among the st

the computer centre,__last year is very popular among the students in this school
A open
B opening
C having opened
D opened
解释下为什么
1楼的。有点英语常识好么。你说的和问题都不沾边。
为什么是用被动啊？谁给我解释下这个句子？