肾病综合征患者使用激素治疗后判断激素无效，是指（）

A.应用泼尼松2周，尿蛋白无明显减少

B.应用泼尼松4周，尿蛋白无明显减少

C.应用泼尼松6周，尿蛋白无明显减少

D.应用泼尼松8周，尿蛋白无明显减少

E.泼尼松减量或停药2周后即复发

—I was busy with my homework while you were away to- night, Dad.

—______ The TV set is hot. [ ]

A. I believe it.

B. I think so.

C. You're kidding.

D. You're excellent.