Aunt Flora Has Discovered That Her Sick Potted Philodendron Plant

Aunt Flora has discovered that her sick potted philodendron plant responds well to a certain type of fertilizer.She applies the fertilizer to the many flowers in her garden to make them all grow better.All but the philodendron die.Aunt Flora's mistake is called:

A) ceteris paribus.
B) the fallacy of composition.
C) the interpretation of association as causation
D) the problem of heteroscedasticity.
E) the problem of autocorrelation.