The Number of Storks Nesting in Some European Villages Is

The number of storks nesting in some European villages is positively correlated with the number of human births in the villages.This means that:

A) the researchers made an error in their calculations since babies don't attract storks!
B) since storks don't bring babies,one may assume that correlation never represents causation.
C) when many storks are nesting in the villages then researchers may predict fewer human births.
D) the number of human births may be predicted by knowing the number of stork nestings.