56. Which one of the following is NOT a way to avoid cancer?
(A) Avoid the contact with cancer patients.
(B) Undergo low-tech screening tests.
(C) Exercise regularly.
(D) Quit smoking.
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統計: A(35), B(11), C(2), D(3), E(0) #844487
統計: A(35), B(11), C(2), D(3), E(0) #844487