Which phrase from the excerpt supports the claim that there is something sinister about the island?

This is the excerpt:

"Didn't you notice that the crew's nerves seemed a bit jumpy today?"

"They were a bit strange, now you mention it. Even Captain Nielsen—"

"Yes, even that tough-minded old Swede, who'd go up to the devil himself and ask him for a light. Those fishy blue eyes held a look I never saw there before. All I could get out of him was: 'This place has an evil name among sea-faring men, sir.' Then he said to me, very gravely: 'Don't you feel anything?'—as if the air about us was actually poisonous. Now, you mustn't laugh when I tell you this—I did feel something like a sudden chill.

"There was no breeze. The sea was as flat as a plate-glass window. We were drawing near the island then. What I felt was a—a mental chill; a sort of sudden dread."

"Pure imagination," said Rainsford. "One superstitious sailor can taint the whole ship's company with his fear."

Here are the answer choices:

“those fishy blue eyes”

“a sort of sudden dread”

“pure imagination”

“one superstitious sailor”

B

Why the others are incorrect:

A. The fishy blue eyes do not mention something bad. It may as well be positive.

C. This has a neutral connotation, and since sinister means bad, it can't be C.

D. Like C, this also has a neutral connotation.

That leaves us with B, the only answer with a negative connotation. It is the only answer that claims something sinister. Also I took the quiz on edge.

Hope this helps!!!