Answer: B
Explanation:
A rhetorial question is a question not in need of an answer, just metioning something to bring light to the answer, or to help one undertsnad more,
Taking in consideration that prepositional phrases are those that begin with a preposition and end with a noun, pronoun, gerund or clause, the only option that fulfills that criteria is option C. Therefore, this is your best answer.
Answer: true
Explanation: there are a lot of old English words which are still used today without always realising it.