A Coulomb Is

A coulomb is:

A) one ampere per second
B) the quantity of charge which will exert a force of 1 N on a similar charge at a distance of 1 m
C) the amount of current in each of two long parallel wires separated by 1 m, which produces a force of 2 * 10^-7 N per meter
D) the amount of charge which flows past a point in one second when the current is 1 A
E) an abbreviation for a certain combination of kilogram, meter and second