I was afraid that you wouldn't be able to come to our _____. A: rendezvous B: terms C: observation D: complaining

the next three flights will test rendezvous of the manned spacecraft and the unmanned lunar landing craft in the earth orbit. A: docking B: communication C: appointment D: unification

An oiler was badly burned and you are communicating with a passenger ship that has a doctor and hospital on board. You want to rendezvous in a certain position so the oiler can be evacuated for medical treatment. Which code should your message contain?（）