PT 63 S4 Q19

If the time intervals between the earth’s magnetic field reversals fluctuate ... ...

If the time intervals between the earth’s magnetic field reversals fluctuate greatly, then, based on the passage, which one of the following is most likely to be true?
(A) Compass readings are most likely to be distorted near the peaks of the mid-ocean ridge.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2011 LSAT (PT 63): Reading Comprehension