A physically active lifestyle has been shown to help increase longevity. In the Wi star region of Bellaria, the average age at
death is considerably higher than in any other part of the country. Wi star is the only mountainous part of Bellaria. A
mountainous terrain makes even such basic activities as walking relatively strenuous; it essentially imposes a physically
active lifestyle on people. Clearly, this circumstance explains the long lives of people in Wistar.
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Which of the following, if true, most seriously weakens the argument?
(A) In Bellaria all medical expenses are paid by the government, so that personal income does not affect the quality of
health care a person receives.
(B) The Wi star region is one of Bellaria's least populated regions.
(C) Many people who live in the Wistar region have moved there in middle age or upon retirement.
(0) The many opportunities for hiking, skiing, and other outdoor activities that Wistar's mountains offer make it a favorite
destination for vacationing Bellarians.
(E) Per capita spending on recreational activities is no higher in Wistar than it is in other regions of Bellaria

OA after some discussion..