Charge cannot exist without mass but mass can exist without charge.
`B`: charge is invariant but mass alone may velocity
`C`: Charge is conserved but mass alone may not be conserved.

Options

A. `A,B,C` are true
B. `A,B,C` are not true
C. `A,B` are only true
D. `A,B` are false and `C`.

Answer

1