By the end of last year, another new gymnasium ________in Beijing.  [ ]

A. would be completed      

B. was being completed  

C. has been completed      

D. had been completed

一个伤口肉芽新鲜的创面，为促进伤口愈合，紫外线的剂量选用（）

A.超强红斑量

B.强红斑量

C.红斑量

D.亚红斑量

E.无所谓