Not all these rice cookers are second-hand, _______ of them are new. [ ]

A. all

B. none

C. some

D. each

违反相关规定，隐匿炸药、管制道具等危险品乘坐飞机，未造成严重后果的，追究民事责任，造成严重后果的，要追究刑事责任。