What's the meaning of “phony”？

Please choose the word with different meaning. A: Fake B: Counterfeit C: Phony D: Veritable

中国大学MOOC: The word “phony people”, is Holden’s catch-all for describing the_____ that he encounters in the world around him.

please listen to the video in the website on the issue of social media and then answer the following questions （1分47秒-1分55秒）When the speaker here mentions that he feels that he is like a phony, he actually means that