if we do have that belief, we do not suppose that the cause might have happened,___?A. might it B. is it C. will it D. have itplz explain why you choose it as an answer. Created by native chinese speaker--jia jun. society-culture-en - languages-en

That sentence is not good English and would most likely be confusing to an average Briton. It is actually difficult to understand what you are trying to say, however the sentence might be ended.If you teacher has written that sentence for you to complete then I suspect that your teacher is not a native speaker of British English.