Which of the Below Statement Is FALSE

Which of the below statement is FALSE?

A) According to the exchange system, dealer and customer bids and offers are entered into the system on an anonymous basis, and the clearing of the executed trades is done through a common process.
B) Although there is a common clearinghouse for bonds, there is none for common stocks.
C) According to the exchange system, dealer and customer bids and offers are entered into the system on an anonymous basis, and the clearing of the executed trades is done through a common process.,
D) The exchange system is quite different rom the dealer-to-customer systems and has potentially significantly greater value added.