—I‘v got this really painful ear.—How long _______ you?

—I‘v got this really painful ear.—How long _______ you?
A、does it bother
B、was it bothering
C、would it bother
D、has it been bothering
【正确答案】:D
【题目解析】:提问how long ,表示从过去发生的耳痛持续到现在,判断为现在完成时,因此选D