I tried hard to get some information about the new technology out of his mouth,
来源:网络
时间:

I tried hard to get some information about the new technology out of his mouth, but he remained_________.
A.quiet
B.secret
C.silent
D.calm
试题答案
C
本题为四个形容词的区别,quiet为“安静的”,secret为“秘密的”,silent 为“沉默的”,calm为“心情平静的”,故选C项。