Your claim on the shortage of weight ____ to13.5 tons in all.

Your claim on the shortage of weight ____ to13.5 tons in all.
A、account
B、accounts
C、amount
D、amounts
【正确答案】：D
【题目解析】：amount to相当于，总计为；claim是单数名词，所以谓语动词要用单数。