He looked at the photos that he _____ in Beijing.A took B has tak_英语解答

He looked at the photos that he _____ in Beijing.A took B has taken C had taken

人气：379 ℃　时间：2019-11-04 15:19:34

解答

答案是C
looked是过去时,take的动作肯定是发正在look之前,因此是过去的过去,用过去完成时.
他在看之前在北京照的那些照片.