【单选题】听力原文:W: Exercise, exercise, exercise. We hear so much about it these days, yet even the experts can't agree on which exercises are best. Now some doctors are strongly encouraging arm exercises. M: Ann...
A.
They don't get rid of flabby arms.
B.
They can damage arm muscles.
C.
They aren't acceptable to most people.
D.
They can raise one's blood pressure.