患者女，36岁，因“间断出现眼睑及双下肢水肿1年”来诊。1型糖尿病病史15年。查体：BP160/90mmHg。尿常规：WBC2/HP，蛋白（++），糖（++）。
实验室检查该患者尿清蛋白排泄率为186mg/min，以下叙述正确的是（）。
A.患者24h尿清蛋白可能大于300mg
B.患者为糖尿病临床肾病
C.患者为糖尿病肾病早期
D.患者24h尿蛋白可能大于0.5g
E.患者尿清蛋白排泄率正常
参考答案：C
| Based on the following information to answer questions from 39 to 40: A mortgage-backed security has been divided into three classes or tranches as follows: Tranche Ⅰ receives net interest and all the principal payments until it is completely paid off. Tranche Ⅱ receives its share of net interest and starts receiving all the principal repayments after Tranche Ⅰ has been completely paid off. Prior to that, it only receives interest payments. Tranche Ⅲ receives monthly net interest and starts receiving all principal repayments after Tranches Ⅰ and Ⅱ have been completely paid off. Prior to that, it only receives interest payments. |
For a relatively small decline in mortgage interest rates, which of the tranches has the least amount of prepayment risk（）
A. Tranche Ⅲ.
B. Tranche Ⅰ.
C. Tranche Ⅱ.