The special dance，Gangnam Style，is popular all over the world and was even performed in the White House.
A. steadily
B. firmly
C. increasingly
D. regularly
网友回答
A. steadily
B. firmly
(答案→)C. increasingly
D. regularly
解析：C 考查副词辨析。steadily平稳地；firmly坚定地；increasingly 日益，愈加；regularly有规律地。根据句意应选C。