People are busy buying all kinds of things when Christmas Day is .
A. flashing
B. approaching
C. advancing
D. lasting
网友回答
A. flashing
(答案→)B. approaching
C. advancing
D. lasting
解析：考查动词：A. flashing闪过B. approaching 靠近C. advancing 进步，朝…前进D. lasting持续，句意：当圣诞节临近的时候，人们在忙着买各种各样的东西。选B。