Question

For some integer m, every even integer is of the form
(A)m
(B)m+ 1
(C) 2m
(D) 2m+ 1

Please provide me reason and conception too

Answer 1

C

Answer 2

Please provide me reason and conception too

Answer 3

in plain english 2m is always divisible by 2 if m is an integer, all even numbers are divisible by 2