Oxfam Trailwalker was known the world Trailwalker before.A. by; asB. in; forC. to; asD.

网友回答

A. by; as
B. in; for
(答案→)C. to; as
D. in; like
解析：句意：乐施毅行者以前是作为毅行者而世界闻名。Be known to…被……所知；be known as…作为……而著名。所以选C。