找考题网-背景图
单项选择题

A.the auctioneer knocks on the tableB.the auctioneer na……

The end of bidding is called "knocking down" because ______.


A.the auctioneer knocks on the table
B.the auctioneer names the highest bidder as the buyer of the goods
C.the goods are knocked down onto the table
D.the auctioneer bangs the table with a hammer