问题
单项选择题
The doctor preferred to resign rather than be accused publicly of infamous conduct.
A．unknown
B．extraordinary
C．mysterious
D．disgraceful
答案
参考答案：D
解析：形容词辨析。unknown不知道的，未知的；extraordinary非常的，特别的；mysterious神秘的；disgraceful可耻的，有损名誉的；infamous声名狼藉的；所以D为答案。