Which Statement Is CORRECT on the Connection-Orientation/reliability of Communications

Multiple Choice

Which statement is CORRECT on the connection-orientation/reliability of communications?

A) Connectionless services have explicit openings and closings.
B) Almost all protocols currently in use are connection-oriented and reliable in nature.
C) Reliable protocols resend lost or damaged messages.
D) TCP is the only unreliable protocol.
E) TCP is a connection-less protocol that does not need handshaking.