GRE Logical Reading: ETS-GRE逻辑单题ETS - B61J5JE9U55PUYFWJ$

Which of the following is best supported by the information above? A. Young lobsters usually exercise one claw more than the other. B. Most lobsters raised in captivity will not develop a crusher claw. C. Exercise is not a determining factor in the development of crusher claws in lobsters. D. Cutter claws are more effective for grabbing than are crusher claws. E. Young lobsters that do not exercise either claw will nevertheless usually develop one crusher and one cutter claw.