[CFA入门] 请教一个L1经济学题 interest, increase, financing, government, current

arabdopsis1

 According to new classical economists, is financing a reduction in current taxes by
government borrowing likely to result in an increase in:

aggregate demand? the real interest rate?
A. No                       No
B. No                      Yes
C. Yes                     No
D. Yes                    Yes

答案是A； 不increase aggregate demand 容易理解； 请问如何理解不增加real interest rate？ 多谢多谢