Answer:
your answer b is c
Explanation:
there are only two sentence pattern you can use to ask a question
A gerund is a word that takes the form of a verb in -ing form, but functions as a noun when used in the sentence. The sentence that contains a gerund is, "On the first torrid day of summer, we always enjoy swimming.". The gerund in this sentence is the word "swimming". This word is used as a noun specifically as the direct object.
I think that if you are talking about Latin it means an incomplete action