A power（）driven vessel operating in a narrow channel with a following current， on the Western Rivers， is meeting an up bound vessel.Which statement is TRUE？

A power（）driven vessel operating in a narrow channel with a following current， on the Western Rivers， is meeting an up bound vessel.Which statement is TRUE？
A.the down bound vessel has the right-of-way
B.the down bound vessel must initiate the required maneuvering signals
C.the down bound vessel must propose the manner and place of passage
D.all of the above
正确答案：all of the above