Given the Reaction, AA + BB $\rarr$ DD + EE If We Try Rate = K[A]^q[B]^r for If

Given the reaction, aA + bB $\rarr$ dD + eE If we try rate = k[A]^q[B]^r for a generic rate law statement, which one of the statements below is false?

A) The exponents q and r are often integers.
B) The exponent q and r must be determined experimentally.
C) The exponents q and r are equal to the coefficients a and b, respectively.
D) The overall order of the reaction is q + r.
E) The symbol k represents the rate constant.