问题：

[单选] Which one of the following statements about BGP is FALSE?（）

A . BGP uses TCP port 179.
B . BGP ensures reliability of updates by using the reliable transport services of TCP.
C . The network command with the mask option never insta lls a prefix into the BGP table unless there is a matching prefix exists in the IP route table.
D . A TCP connection is required before exchanging updates.
E . BGPuses notification and the update messages to establish and maintain the BGP neighbor relati onship.