请选择CBA8x6y3H7k8?1?3H5u I’ve got _______ earache..`.E8Y-f(^:}'c8r2w-t;d
A. a.`.E8Y-f(^:}'c8r2w-t;d
B. an.`.E8Y-f(^:}'c8r2w-t;d
C. the.`.E8Y-f(^:}'c8r2w-t;d