What is the main idea of sonnet 4 by edmund spenser

Sonnet 4 by Edmund Spenser,sets comparison on “old and new”, “winter and spring” and “death and life”. In the text, while changes in the whole world-from old to new, is being focused, the poet easily gets back his  beloved passion to life.

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.