下列大环内酯类抗菌药物，对流感嗜血杆菌作用优异的是（）
A.红霉素
B.交沙霉素
C.克拉霉素
D.螺旋霉素
E.麦迪霉素
参考答案：C
—I really like the CD you lent to me last Saturday.
—
—And I thank you very much for letting me keep it so long. [ ]
A. I'm glad you like it.
B. That's all right.
C. Don't mention it.
D. I hope you like it.
每月定期定额系统设定的定期定额赎回时间段为（），赎回日遇非基金开放日顺延，赎回日顺延不跨月；
A.39838
B.39843
C.20-30
