He wanted to know how much_____.

问题描述:

He wanted to know how much_____.
A:my new CD player cost
B:my new CD player costs
C:did I pay for my CD player
D:I pay for my new CD player

我怎么觉得是A…………
不过B也能说得通,就是那个人刚刚提问,而物品的价格属于一般规律,所以用了一般现在时
如果是D的话就只能用一般过去时了