The computer center last year is very popular among the students in this school.A. open

问题补充：

The computer center, last year, is very popular among the students in this school.

A. open

B. opening

C. have opened

D. opened

答案：

A. open

B. opening

C. have opened

(答案→)D. opened

解析：考查分词做定语。。当分词短语做定语的时候，如果分词与名词构成被动关系，就使用过去分词的形式；如果两者构成主动关系，就使用现在分词的形式。本题中的the computer center与open之间构成被动关系，故使用过去分词的形式。故D正确。