_______ the whole society care for children as well as their parents, children can grow healthily and happily.

A．As soon as

B．Once　　　

C．The moment　　

D．So long as

北大一学子在狱中题诗：“痛殴卖国贼，火烧赵家楼。锄 * * 不惜死，来把中国救。”据此推测，该学生参与了（）

A.新文化运动

B.五四运动

C.红军长征

D.一二·九运动