患儿，9 个月支气管肺炎，晚上突然烦躁不安，喘憋加重。呼吸55 次/min，心率175 次/min，心音低钝，两肺细湿啰音增多，肝脏比前增大6cm，患儿可能发生了（）

A．急性心力衰竭

B．脓胸

C．脓气胸

D．肺大泡

E．肺不张

I argued ________ my best friend ___________ the Maths problem yesterday.

                                                                                                                                                        [ ]

A. with；with

B. about; with          

C. with；about

D. about; about