Which of the Following Statements Is Incorrect

Which of the following statements is incorrect ?

A) For any state function, X, D X = X(final) - X(initial) .
B) State functions are path independent.
C) The variables T, V, and P are state functions.
D) The internal energy of a system (E) is a state function.
E) The heat absorbed by a system ( q ) is a state function.