Which three of the following questions are open-ended questions? ( ) A.Do you like music? B.When did the accident happen? C.What advice did you remember from your guidebook? D.Who are your favorite actors and actresses?

Which three of the following questions are open-ended questions? ( ) A.Do you like music? B.When did the accident happen? C.What advice did you remember from your guidebook? D.Who are your favorite actors and actresses?

正确答案：BCD