I have to see the doctor because I         a lot lately.
A．have been coughingB．had coughedC．coughedD．cough
A

這題考查時態(tài)的用法，時間是lately，說明是最近一直在做，用現(xiàn)在完成進行時。句意是：我得去看醫(yī)生了，因為我最近一直咳嗽。選A。
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