That actions sometimes have the opposite of the expected
The best paraphrase would be B.
(hope this helped!)
"The Radley Place fascinated Dill. In spite of our warnings and explanations, it drew him as the moon draws water, but drew him no nearer than the light-pole on the corner, a safe distance from the Radley gate." Chapter 1, page 10.
The simile is "as the moon draws water." A simile is a type of figurative language, a comparison that uses "like" or "as."