A-A+
He studied hard at school when he was young _
问题详情
He studied hard at school when he was young, _______ contributes to his success in later life.
A.which
B.that
C.what
D.each of which请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：A
A本题考查非限制性定语从句的用法。本句后半句为非限制性定语从句，which指代前半句话。非限制性定语从句只能用which，as引导。句意为：他年轻时在学校学习很努力，这为他以后的成功铺垫了道路。
