3.It is said the Great Wall_______ the Warring States, is _______worth visiting.
A.dated from; much B.dated from; well
C.dating from; much D.dating from; well
【答案】3.D
【解析】考查非谓语动词和副词。句意：据说长城始建于战国时期，非常值得参观。date from追溯到，用现在分词做伴随状语，be well worth doing很值得做某事，故选D项。