`A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltmeter readings are `V_A, V`_B`and `V_C,` then
A. `V_(A)=V_(B)=V_(C )`
B. `V_(A)ne V_(B)=V_(C )`
C. `V_(A)=V_(B)ne V_(C )`
D. `V_(A)ne V_(B)ne V_(C )`