Which of the following is true？

A.During a life period， everyone will experience certain unusual event that means a lot to them.

B.During a life period， some may feel confused sometimes and have no idea what a special event means to their future.

C.During a life period， ordinary people will not have special moment at all.

D.During a life period， some might have experienced an event which totally changed their life.

正确答案：During a life period， everyone will experience certain unusual event that means a lot to them.During a life period， some may feel confused sometimes and have no idea what a special event means to their future.During a life period， some might have experienced an event which totally changed their life.