If you have already had a research questing identifies, you should: B, turn it into an assertion.
He plans to trap Claudius for the murder of his father
The cafertia line was so crowded that I was already past the deserts before I could take one
There is only one phrase in this sentence, and that is a prepositional phrase - with great care. It begins with a preposition <em>with, </em>so it has to be a prepositional phrase. This sentence doesn't even have participles, gerunds, or infinitives.