Which of the Following Is False

Which of the following is false?

A) When interest rates change, some spending units that were net borrowers become net lenders and vice versa.
B) When interest rates changes, the surpluses and deficits within any sector can change so that a sector that was a surplus sector before the change can become a deficit sector and vice versa.
C) Changes in interest rates cause changes in the flow of funds among sectors.
D) Within any sector, the combined surpluses always equal the combined deficits.