The correct option is A True
Given, variable "m" is a natural number. So, "m" can take values 1, 2, 3, 4, 5, 6, ..........
If m =1, 2m =2×1 = 2
If m =2, 2m =2×2 = 4
If m =3, 2m =2×3 = 6 and so on.
So, "2m" takes valves 2, 4, 6, 8, .......... Which are multiples of 2.