Where’s the custom "trick-or-treating" derived from（）

Where’s the custom "trick-or-treating" derived from（）

A.It’s derived from the Irish Celts.

B.It’s derived from a ninth-century European custom.

C.It’s derived from the Catholic Church.

D.It’s derived from a ninth-century Roman custom.

正确答案：B

★《布宫号》提醒您：民俗信仰仅供参考，请勿过度迷信！