【单选题】New graduates in America are used to facing an uncertain future while saddled with heavy debts. Now Sallie Mae, the firm that provides many of them with the financial wherewithal to complete their edu...
A.
express the current situation of student-loan.
B.
describe the banking industry of the U.S.
C.
show problems in politics.
D.
talk about the environment of education in the U.S.