Which One of the Following Situations Illustrates the Phenomenon of Overgeneralization

Multiple Choice

Which one of the following situations illustrates the phenomenon of overgeneralization in concept learning? In each case, the concept in question is in italics.

A) Alvin calls a tall sunflower a tree.
B) Brady denies that a palm tree is a tree.
C) Calvin thinks that all igloos are made out of Styrofoam.
D) Daniel doesn't understand why he can't build an igloo in the summer.