If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brick work contained in an equilateral triangle, producing a maximum bending moment
A] $$\frac{WL}{2}$$
B] $$\frac{WL}{4}$$
C] $$\frac{WL}{6}$$
D] $$\frac{WL}{8}$$
E] $$\frac{WL}{12}$$

A

A only

B

B only

C

C only

D

D only