Which sentence is punctuated correctly?

A. Wordsworth is lonely at the start of his poem; however; his mood changes when he sees the daffodils.

B. Wordsworth is lonely at the start of his poem, however, his mood changes when he sees the daffodils.

C. Wordsworth is lonely at the start of his poem; however, his mood changes when he sees the daffodils.

D. Wordsworth is lonely at the start of his poem however his mood changes when he sees the daffodils.