In B, "walk" is not a preposition, It's a verb >>we reject the answer.
In C, "wither" is not a preposition. >>we reject the answer.
In D, "whale" is not a preposition, it's a noun. >>we reject the answer.
so A is the correct asnwer!
ps. it there are also other problems in the rejected answers, for example, "wonder" is a verb, but one false word is enough, so I just gave an example.
Answer: Lord Helios, the sun god, has killed Odysseus's men for eating his cattle. His boat has crashed, and the crew is shipwrecked on the Isle of Man.
Explanation:
Bryon is talking about a woman that's as lovely as a night with a clear starry sky, and goes on to convey her beauty as a harmonious "meeting" between darkness and light. After he discusses her physical attractiveness, he then portrays this outer beauty as representative of inner goodness and virtue. He uses religious imagery when talking about her.