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

A. What did you like about your summer vacation?

B. Did you have fun on your summer vacation?

C. What movies did you see over your summer vacation?

D. Where did you spend your summer vacation?

A is a open ended question

An open-ended question encourages a long answer that relates to the answerer's feelings. A closed-ended question will result in one-word, short answers.

The answer is A. What did you like about your summer vacation? This question can give a wide range of answers that would give the asker info about the answerer's feelings towards the vacation. The other three questions are all closed-ended, as they can be answered with one word or short statements, and they do not provide any further detail into the answerer's feelings.