41. According to the passage, which of the following is NOT a health-related feature of hearing aids today?
(A) Detecting falls
(B) Counting steps
(C) Taking blood pressure
(D) Monitoring heart rate
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統計: A(4), B(2), C(103), D(1), E(0) #3455507
統計: A(4), B(2), C(103), D(1), E(0) #3455507