单选题 The clearinghouse in a futures contract performs all but which of the following roles? The clearinghouse :

A、 allows traders to reverse their position without having to contact the other side of the position.
B、 guarantees the physical delivery of the underlying asset to the buyer of futures contracts.
C、 splits each trade and acts as a buyer to futures sellers and as a seller to futures buyers.

【正确答案】 B

【答案解析】The clearinghouse does not guarantee the physical delivery of the underlying asset. Indeed, most futures contracts do not have a physical delivery, but are reversed.