The data shows _______ successful people have in common is ______ they have perseverance.[ ]

A. that what; that

B. that that; that

C. what that; what

D. all that; because

假设活期存款法定存款准备金率9.5%。超额准备金率为0.5%，现金余额为300亿元，现金漏损率为5%。试求：

在前两问的假设下：
Ⅰ．若本国法定准备金率提高3个百分点，求新的均衡汇率e’；
Ⅱ．若利率提高2个百分点呢(e")；
Ⅲ．若准备金率和现金比率均保持不变，央行在公开市场收购27亿债券会使均衡汇率怎样变化(e’")