问题详情

In paragraph 1, "... student lending has increased in breadth as well as depth" most likely means ______.
A．there are a greater number of student loans than before
B．student loans are for higher amounts of money than before
C．more total money is owed by students than before
D．there are more student loans than before and the total money owed is more than before请帮忙给出正确答案和分析，谢谢！