The nurse teaches the parents of a child being treated with antibiotics for an ear infection for a follow-up visit after the child completes the course of therapy. Which of the following statements by the parents indicates that they understand the reason for the follow-up visit

A. "Her hearing needs to be checked to see if the infection has done any damage. "
B. "The doctor wants to make certain she has taken all the antibiotics. "
C. "We need to make sure that her ear infection has completely cleared. "
D. "She needs to get another prescription for second course of antibiotics. "

按照国际惯例，下列关于信用评定方法的说法，正确的是( )。

A．对企业采用评级方法，对个人客户采用评分方法

B．对企业采用评分方法，对个人客户采用评级方法

C．对企业客户和个人客户都采用评级方法

D．对企业客户和个人客户都采用评分方法