补充题218

recently

218.The domesticated camel, which some scholars date around the twelfth century B.C., was the key to the development of the spice trade in the ancient world
(A) The domesticated camel, which some scholars date
(B) The domesticated camel, which some scholars having thought to occur
(C) Domesticating the camel, dated by some scholars at
(D) The domestication of the camel, thought by some scholars to have occurred
(E) The camel’s domestication, dated by some scholars to have been
正确答案是D ,E为何不对？

creativity

ding!!

himba

1、只有the domestication可以date、occur，排除A、B、C。
2、the domestication of the camel表达优于the camel's domestication

sammen

The domestication has occured arround 12th century两个比较，The domestication has been arround 12th century意思上有差别的，前者是驯化发生在12th,后者是驯化是12th