It is reported that two big forest fires in the border area between France and Spain since

问题补充：

It is reported that two big forest fires in the border area between France and Spain since Sunday several people.

A. kill

B. had killed

C. killed

D. have killed

答案：

A. kill

B. had killed

C. killed

(答案→)D. have killed

解析：考查时态。since引导的时间状语，主句应用现在完成时。故答案为D。