【题目】By the time she returned home from England, her overall view of the world _____ completely.
A.changedB.has changedC.would changeD.had changed
在线课程【答案】D
【解析】
考查动词时态。句意：当她从英国回到家时，她对世界的整体看法已经完全改变了。根据上文By the time she returned home from England可知“对世界的整体看法改变”发生在“回到家”之前，即发生在“过去的过去”故用过去完成时。故选D。