Answer:
Shes saying that no one had the courage to destroy the flowers, not even the guy that would do anything
Explanation:
Only use colons after statements that are complete sentences. Don't use it after a sentence fragment. It may be used between independent clauses when the second sentence explains the first sentence.
Ex: He has three favorite movie genres: action, comedy, and drama.
I believe that the correct answer is the first one, letter a.