Well it depends on the format, option b would be correct mla.
Answer:
They are asking if you want to basically facetime but on a website/app called zoom if they are asking through you probably shouldn't do it with them but yeah
Explanation:
He used riddling to talk to Smaug I think because he wanted to stall and waste time as he figured out a plan. He also used riddles to talk to Golem who he clearly was trying to stall to save himself as Golem wanted to kill and eat Bilbo. So it is a reoccurring theme of Bilbo and it makes sense.
