— I borrowed 10 dollars from Cathy, but she insisted that I had borrowed 15 dollars from her.

— I _____ you the money. Why didn't you ask me? [ ]

A. must lend

B. could have lent

C. would lend

D. should have lent

按我国传染病防治法规定，除了对甲类传染病患者的病原携带者外，还应对乙类传染病中的 _________ 与 _________ 采取强制性隔离治疗措施。