Which Statement Is Incorrect About the Frame Relay Technology

Which statement is incorrect about the Frame Relay technology?

A) It uses permanent virtual circuits for data delivery.
B) Its popularity has dropped, overtaken by Carrier Ethernet.
C) There is no error control during packet delivery and the correction of transmission errors is left to host stations.
D) It is designed to be low overhead (simple header structure) and therefore efficient in frame delivery.
E) It is available exclusively for data delivery (not for voice) service function.