25. The symptoms of these young children include _____.
(A) cough, fever, and that exertion makes them short of breath
(B) cough, fever, and shortness of breath upon exertion
(C) cough, fever and exertion that makes them short of breath
(D) that they cough, fever and exertion makes them short of breath
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統計: A(2), B(7), C(10), D(0), E(0) #2290393
統計: A(2), B(7), C(10), D(0), E(0) #2290393