Our friendship our childhood has lasted for years.
A. dates back to
B. dating back
C. dates from
D. dating from
网友回答
A. dates back to
B. dating back
C. dates from
(答案→)D. dating from
解析：考查现在分词作定语。短语：date back to = date from 追溯到，在这里用现在分词作定语。句意：追溯到童年时代的我们的友谊已经持续了几年了。所以选D。