Rhetorical question is the informal way for asking someone. It is usually yes or no question in which there are some facial expressions. It a question in which a person asks someone and expects an answer in just simple yes/no. There are no details required in the answer.
A) I used to think B) I will think C) I was thought D) I had thought E) I have been thought F) I will be thought G) i will have thought H) I have thought I) I was thought J) I will have been thought K) I had been thought L)I think :)) hope it helps