为了防止意思偏差 打下英文原题

其余恒不变的情况下，consumer decide to borow less
A.The demand for funds in loanable funds market will decrease
B.the supply for funds in loanable funds market will decrease
C. the supply for funds in loanable funds market will increase

第一反应选A 提示不对  答案是B 想知道AC为什么不对

万分感谢！