单选题 I cannot give you ______ for the type of car you sell because there is no demand for it in the market.

A、 an expense
B、 a charge
C、 a purchase
D、 an order

【正确答案】 D

【答案解析】order (for)订货，如：The merchant received a large order for coal；expense花费，费用，一笔钱，如：The expense of living is immense；charge (for)收费，如：The charges for electricity and gas will be increased next year；purchase (of)购置，购买，如：He gave his son some money for the purchase of his school books．句意；我不能定购你们出售的这种车，因为没有市场需求。