如图，两个定值电阻R₁ R₂串联后接在输出电压U稳定于12V的直流电源中．有人把一个内阻不是远大于R₁ R₂的电压表接在R₁两端，电压表的示数8V，如果他把此表改接在两端R₂，则电压表的示数（　　）

A．小于4V

B．等于4V

C．大于或等于8V

D．大于4V小于8V

What we expect from you is working hard      hardly working.

A．less than

B．rather than

C．as well as

D．as much as