Read these lines from Stanza 3 of the poem.

A phantom ship, with each mast and spar Across the moon like a prison-bar,

What is the effect of comparing "each mast
and spar" of the British ship to "a prison-bar"?

A) It emphasizes the size of the vessel

B) It suggests that the British are denying the colonists their freedom.

C) It tells the reader that the British ship is made entirely of iron

D) It indicates that the crew aboard the ship are criminals.