Scientist: Venus contains a hot molten core, like that of Earth. Also like ... ...

Scientist: Venus contains a hot molten core, like that of Earth. Also like Earth, Venus must expel the excess heat the core generates. On Earth, this occurs entirely through active volcanos and fissures created when tectonic plates separate. Yet Venus has neither active volcanos nor fissures caused by the movement of tectonic plates. Which one of the following, if true, does the most to resolve the apparent discrepancy described by the scientist?
(A) Rock on the surface of Venus remains solid at much higher temperatures than does rock on Earth.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Dec 2012 LSAT (PT68): Logical Reasoning A

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