The 18-storeyed building when will shut out the sun up the rooms in my house.A. comple

问题补充：

The 18-storeyed building, when , will shut out the sun up the rooms in my house.

A. completed; lighted

B. completing; lighting

C. completing; lighted

D. completed; lighting

答案：

A. completed; lighted

B. completing; lighting

C. completing; lighted

(答案→)D. completed; lighting

解析：when completed=when it is completed；lighting up...在此相当于which lights up..