18. By SMCP, choose one of the following sentences for expressing ”Coastal Station wishes to know where the vessel is going to and where the vessel is coming from.”
(A) “Question: where do you go to?  Question: where do you come from?”
(B) “Question: what is your destination?  Question: what was your last port of call?”
(C) “Question: what is your next port?  Question: what was your last port?”
(D) “Question: what is your destiny?  Question: what was your last port of call?”