4. A uniform stick has length L. The moment of inertia about the center of the stick is I0. A particle of mass M is attached to one end of the stick. The moment of inertia of the combined system about the center of the stick is
(A) I0+41ML2
(B) I0+21ML2
(C) I0+43ML2
(D) I0+ML2
(E) I0+45ML2
(A) I0+41ML2
(B) I0+21ML2
(C) I0+43ML2
(D) I0+ML2
(E) I0+45ML2