PT 65 S1 Q23

Physician: There were approximately 83,400 trampoline- related injuries ... ...

The dialogue provides the most support for the claim that the physician and the trampoline enthusiast disagree over whether
(A) trampolines cause injuries to a significant number of people using them
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Dec 2011 LSAT (PT 65): Logical Reasoning A