Which is TRUE on the Western Rivers when a vessel downbound with a following current is meeting an upbound vessel?

A
She has the right of way only if she is a power-driven vessel.
B
She has the right of way only if she has a tow.
C
She does not have the right of way, since the other vessel is not crossing the river.
D
She must wait for a whistle signal from the upbound vessel.
E