【单选题】

The operational test for the HFS-900D transceivers is a BITE test which does a check of the internal functions of the HF transceiver.

A、The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.
B、The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.
C、The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.