Which of the Following Statements Is NOT a Reason Why

Which of the following statements is NOT a reason why developmental psychologists find theories of child development useful?

A) Theories raise fundamental questions about human nature.
B) Theories provide definitive answers to key questions about child development.
C) Theories motivate new research.
D) Theories provide frameworks for understanding
important phenomena.
E) All of the statemens are reasons why developmental psychologists find theories of child development useful.