如图所示，导线框abcd放在光滑导轨上向右运动(abcd与导轨接触良好)，G₁和G₂是两只电流表，则(     )

A．只有G₂偏转

B．只有G₁偏转

C．G₁、G₂都会偏转

D．G₁、G₂都不偏转

Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.

A.at work

B.in his or her berthing area

C.BOTH at work and in his or her berthing area

D.None of the above are correct