Refer to the diagram. Initially assume that the investment demand curve is ID 1 . Which of the following effects of financing a large public debt might shift the investment demand curve from ID 1 to ID 2 , wholly offsetting any crowding-out effect?

A.  An improvement in profit expectations by businesses.

B.  A decrease in saving.

C.  A decline in the interest rate.

D.  An increase in the marginal propensity to consume.

A.  An improvement in profit expectations by businesses.