Which One of the Following Statements Concerning Stock Trades Is

Which one of the following statements concerning stock trades is correct?

A) Brokerage firms send customer orders to a market maker on the floor of the NYSE.
B) Confirmation of a trade is transmitted directly from the NYSE to the customer who placed the order.
C) A broker transmits OTC orders from a customer directly to a floor broker in the OTC market.
D) Brokerage firms generally hold securities in street name so they can be transferred without the customer's signature.