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

A
Neither vessel has the right-of-way.
B
She has the right-of-way only if she is power-driven.
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