A steady current of 5 amps is maintained for 45 mins . During this time it deposits `4.572` gms of zinc at the cathode of a voltameter. E.C.E. of zinc is
A. `3.387xx10^(-4)gm//C`
B. `3.387xx10^(-4)C//gm`
C. `3.384xx10^(-3)gm//C`
D. `3.394xx10^(-3)C//gm`