How does the use of alliteration in these lines influence the reader's emotions?
and maggie discovered a shell that sang
so sweetly she couldn't remember her troubles, and
(from \"maggie and milly and molly and may\" by e. e. cummings)

a. it creates a mental image of the seashore.
b. it gives a musical effect to the singing shell.
c. it emphasizes the sweetness of the song.
d. it describes how maggie forgot her troubles.