Sentence:  I told him about everything I could think of; and what I couldn't think of he did. He asked about six <WSD>questions</WSD> during my yarn, but every <WSD>question</WSD> had a point to it. At the end he bowed and thanked me once more. As a thanker he was main-truck high; I never see anybody so polite. 
Meaning of the word marked with <WSD> tags:  A sentence, phrase or word which asks for information, reply or response; an interrogative.