I believe that the answer would be c
Answer:
a. melodic
Explanation:
The adjective melodic means both 'pleasant-sounding' and 'relating to the melody (i.e. main tune) of a piece of music'. In the sentence in question, it can be used instead of the word <em>musical</em> with no change of meaning.
Tom
they sing and dance
Me I'll do it please I like homework and I could help u