单选题 It (is) a well-known proverb to all--All (which) (glitters) is not (gold).
【正确答案】 B
【答案解析】which改为that，引导定语从句时。all，everybody等不定人称代词后面引导定语从句的关系代词要用that，不用which。该谚语意为“闪光的并不全是金子”。