Which of the Following Is the General Solution of the Homogeneous

Which of the following is the general solution of the homogeneous second-order differential equation are arbitrary real constants.

A) $y=4+\mathrm{Ce}^{-6 t}$
B) $y=C_{1} e^{-4 t}+C_{2} e^{-6 t}$
C) $y=C_{1}+C_{2} e^{-6 t}$
D) $y=C_{1}+C_{2} e^{6 t}$
E) $y=4+C e^{6 t}$