C :Muriel, you didn't tell me!
R :Uh……were you a friend of Scotty, Muriel?
如何理解were you a friend of Scotty, Muriel? 这个问句的语言结构?
... were you a friend of Scotty, Muriel? 的意思是:“Muriel,你是 Scotty 的(一个)朋友吗 ?”