You Notice That When Interest Rates Increase, New Residential Housing

You notice that when interest rates increase, new residential housing prices tend to decrease. This observation indicates that

A) a scatter diagram between interest rates and housing prices will show a direct relationship.
B) there must be false causality between interest rates and housing prices.
C) higher interest rates must cause low housing prices.
D) a scatter diagram between interest rates and housing prices will show a negative relationship.