MV CASABIANCA ordered the MV RADIANT MED to wait for her and the MV RADIANT MED acknowledged the message stating that speed was being reduced as far as possible. This sentence says that ________ ．

A、MVRADIANTMEDwastoldbyMVCASABIANCAtoreduceherspeed
B、MVCASABIANCAwastoldbyMVRADIANTMEDtoreduceherspeed
C、MVCASABIANCAwasreducingherspeedbutshecouldnotwaitforMVRADIANTMED
D、MVRADIANTMEDwasreducingherspeedbutshe