If Everyone Began Feeling Better About the Economic Future

If everyone began feeling better about the economic future:

A) "animal spirits" would become negative.
B) "animal spirits" would become more positive and firms would invest more, causing the demand for loanable funds to increase.
C) "animal spirits" would become more positive and firms would invest more, causing the supply of loanable funds to increase.
D) "animal spirits" would become more positive and firms would invest more, causing the supply of loanable funds to decrease.
E) "animal spirits" would become more positive and firms would invest more, causing the demand for loanable funds to decrease.