【题目】John's success has nothing to do with good luck. It is years of hard work _________ has made him what he is today.
A.whatB.which
C.whereD.that
在线课程【答案】D
【解析】
考查强调句。句意是：约翰的成功和幸运无关，是多年的努力使他成就了今天的自己。本句为强调句结构，It’s+强调部分+that…, 这句话强调的是主语，years of hard work，选D。