Jeff goes to work _______ and his wife gaes to work ________.[ ]

A. by his car, by bike              

B. by a car, by bike

C. by cars, by bike                

D. by car, on her bike

以下属于凯恩斯宏观经济理论的货币供给模型的是( )。

A．M=F(B，D，i_D，i₀)
B．L=L₁(Y)+L₂(i)
C．MV=PT
D．M=BK