This question is inaccurate. According to p19 colregs, rule 9(a)(I) all answers seem to make sense except the correct answer
Deck
Rules of the Road: INLAND ONLY A power-driven vessel operating in a narrow channel with a following...
Discussing this exam question.
The Downbound not the Upbound has the responsibility to initiate and propose passage
RULE 9
(ii) Notwithstanding paragraph (a)(i) of this Rule and Rule 14(a) (§ 83.14(a)),
a power-driven vessel operating in narrow channels or fairways on the Great
Lakes, Western Rivers, or waters specified by the Secretary ‡, and proceeding
downbound with a following current shall have the right-of-way over an
upbound vessel, shall propose the manner and place of passage, and shall
initiate the maneuvering signals prescribed by Rule 34(a)(i) (§ 83.34(a)(i))
RULE 9
(ii) Notwithstanding paragraph (a)(i) of this Rule and Rule 14(a) (§ 83.14(a)),
a power-driven vessel operating in narrow channels or fairways on the Great
Lakes, Western Rivers, or waters specified by the Secretary ‡, and proceeding
downbound with a following current shall have the right-of-way over an
upbound vessel, shall propose the manner and place of passage, and shall
initiate the maneuvering signals prescribed by Rule 34(a)(i) (§ 83.34(a)(i))