If two cubes of dimensions 2 cm × 2 cm × 2 cm are placed side by side, what would the dimension of the resulting cuboid be?

Question

( A ) l = 4 cm ,b = 3 cm, h = 2 cm
( B ) l = 4 cm ,b = 2 cm, h = 2 cm
( C ) l = 6 cm ,b = 2 cm, h = 2 cm
( D ) l = 4 cm ,b = 3 cm, h = 2 cm