Which of the following is an example of an open-ended question?

who is your favorite player?
do you know willie mays’ career batting average?
why do you think willie mays was such a good baseball player?
are you interested in baseball?

To choose a good persuasive essay topic,begin with a big idea,narrow it down,and a.then narrow it down more; it is impossible to have a topic that is too narrow. b.do some research to see what you should write about c.specify-ask a question you want answered in your argument