问题：
A甄别出高风险的借款者，以便将他们剔除，从而降低对其他人的贷款利率。 identify high-risk borrowers, so they can be eliminated and interest rates kept down for others.
B增加信用卡的发放，贷款利率持续攀升。increase the number of credit cards issued, and interest rates go up as a result.
C增加信用卡的发放，贷款利率持续降低。increase the number of credit cards issued, and interest rates go down as a result.
D减少信息卡的发放，贷款利率持续攀升。lower the number of credit cards issued, and interest rates go up as a result.
