If you are asking for a synonym for "corsaged", I guess the best answer I could give you is B. decorated. Overall, I don't know what your asking, so please be more specific next time.
Assuming you'd like to know the meaning of the word <em>corsaged, </em>the correct answer is B. decorated. Corsage refers to flowers; so if you use that word as a verb (to corsage something or someone), it means to decorate them using flowers. That's the meaning here - the cartwheel was ornamented, decorated, embellished with flowers.