Correct option is A
Alphabetical Order Verification:
Melancholy (M-e-l-a-n-c-h-o-l-y)
Melanin (M-e-l-a-n-i-n)
Mellowed (M-e-l-l-o-w-e-d)
Melodious (M-e-l-o-d-i-o-u-s)
Melodrama (M-e-l-o-d-r-a-m-a)
Melting (M-e-l-t-i-n-g)
Correct Order:
Melancholy
Melanin
Mellowed
Melodious
Melodrama
Melting
This matches the sequence given in option (a) 3, 5, 6, 2, 1, 4