女性，35岁。尿频、尿急、尿痛5天，体温39.5℃，左肾区有叩击痛，尿常规蛋白（＋＋），白细胞满视野，红细胞5－10／HP。

该病人下列处理最恰当的是（）。

A.立即选用抗生素治疗

B.待细菌培养及药敏结果出来后选用敏感抗生素

C.先给予口服抗生素治疗，择时留尿做细菌，学检查

D.口服抗生素治疗时应少饮水，以免降低疗效

E.留尿送细菌学及尿常规检查，立即给予对革兰氏阴性杆菌有效的抗生素

Which of the following best describes the motivation for a corporation to issue an asset-backed security Securitization of specific assets by a corporation enables the corporation to:（）

A. avoid negative covenants of bond indentures.

B. get a credit rating on the ABS that will result in a lower cost of borrowing.

C. use the assets as collateral for additional borrowing.