[单选题]
A uniform rod of mass Mka. p9l qcb q0t5o5fm7hxq9;z and length L o,k yp96bk/utpju+z 7lce )u ,rotates around a vertical axis through its center. Twoz, u ,k be)uj/tk+l9p ucp7yo6 equal forces act on the rod as shown in the diagram.
The moment of inertia of the rod when rotating about its centre is $frac{1}{12}ML^2$.
Which of the following gives the angular acceleration of the rod?
A. 0
B. $\frac{6F}{ML}$
C. $\frac{12F}{ML}$
D. $\frac{24F}{ML}$