Halloween is believed to be a day ______all the spirits come back to the world of the living, and we have the same day in China called “Guijie", the Day of Dead.

A．where

B．when

C．which

D．that

一个令人羡慕、有凝聚力的班集体，靠的是[ ]

A、“你好我好大家好”的同学关系

B、各自都有奋斗目标并不懈努力

C、你争我夺、互相攀比的竞争意识

D、全体成员的团结与奉献