Read Browning's "Meeting at Night." How does the alliteration in the emphasized words in the first stanza contribute to the poem's theme?

A.
It lends a musical quality that emphasizes the lover's excitement at embarking on a journey to meet his beloved.

B.
It highlights the hardships and adversities the lover has to encounter on his journey to meet his beloved.

C.
It creates a monotonous effect that brings out the lover's melancholy at undertaking a lonely journey.