问题补充：
The computer centre, last year , is very popular among the students in this school.
A. open
B. opening
C. having opened
D. opened
答案：
A. open
B. opening
C. having opened
(答案→)D. opened
解析：考查分词做定语。本题的动词open与名词The computer centre构成了被动的关系，使用过去分词的形式在句中做定语修饰名词。句意：那个去年开办的计算机中心，很受这所学校的学生的欢迎。故D项正确。
