King Frederick William of Prussia Failed in His Attempts to Create

Multiple Choice

King Frederick William of Prussia failed in his attempts to create an army of giants because of all the following reasons except one. Select the exception.

A) Human life spans are too long.
B) Children of the crosses were actually shorter than their parents.
C) Size in humans is too complex a trait.
D) There was too much resistance to his program because of ethical considerations.
E) There are no exceptions. All of these reasons are correct.