27. What is the best elbow position when riding a motorcycle?
(A)Keep the elbows straight
(B)Keep the elbows close to your body
(C)Spread the elbows out.
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統計: A(0), B(1), C(0), D(0), E(0) #2215316
統計: A(0), B(1), C(0), D(0), E(0) #2215316