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Start the planWhich of the following, if true, most seriously weakens the argument above?
(A) The quality control problem of the supplier is not as severe as some experts had initially predicted.
(B) Other suppliers of flu vaccine have not been affected by the quality control problem.
(C) Last year there was also a shortage of flu vaccine available.
(D) The price of flu vaccines is expected to fall in the next ten years.
(E) The flu season is expected to last longer than usual this year.
OA B
Source: Princeton Review













