题目
An individual that maintains bid and offer prices in a given security and stands ready to buy or sell lots of said security is:
选项
A.a hedger
B.an arbitrageur
C.a speculator
D.a market maker
答案
D
解析
Answer: D A market maker maintains bid and offer prices in a security and stands ready to buy or sell lots of the given security.做市商在证券交易中维持买入价和卖出价，随时准备买入或卖出大量特定的证券。