单选题He knew nothing about it ______ his friend told him.A untilB becauseC if

题目
单选题
He knew nothing about it ______ his friend told him.
A

until

B

because

C

if


相似考题
参考答案和解析
正确答案: C
解析:
考查连词。句意:直到他的朋友告诉他,他才知道。until经常与否定词连用,构成not...until…,意为“直到…才…”。本题中nothing是否定词,相当于not。because“因为”。if“如果”。都不符合句意逻辑。