Its reported that by the end of this week the stock exchange by about 10％. A. will have r

问题补充：

Its reported that by the end of this week the stock exchange by about 10％.

A. will have risen

B. has risen

C. will be rising

D. has been rising

答案：

(答案→)A. will have risen

B. has risen

C. will be rising

D. has been rising

解析：by the time of；by the end of+时间短语(将来)；by the time+从句(将来)常用将来完成时。