Nobody in the class except you and me to the principal about the air quality problems. A.

问题补充：

Nobody in the class except you and me to the principal about the air quality problems.

A. has complained

B. have complained

C. complain

D. complaining

答案：

(答案→)A. has complained

B. have complained

C. complain

D. complaining

解析：nobody 做主语，谓语动词用单数第三人称形式。