PT 62 S4 Q17

A 24-year study of 1,500 adults showed that thosesubjects with a high intake ... ...

Each of the following, if true, would help to resolve the apparent discrepancy between the results of the two studies EXCEPT:
(A) The human body processes the beta-carotene present in foods much more efficiently than it does beta-carotene supplements.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Complete Section: LR-B, Dec. '10 LSAT (PT 62 Sec. 4)