The total cost of their trip to Canada$ 8 000.A. added up toB. added upC. added toD. was a

问题补充：

The total cost of their trip to Canada$ 8,000.

A. added up to

B. added up

C. added to

D. was added up to

答案：

(答案→)A. added up to

B. added up

C. added to

D. was added up to

解析：考查短语辨析。add up to 合计，达到符合句意。