A)03
B)1

$$\text { Consider the CES production function } Q = \left[ 3 L ^ { .67 } + 3 K ^ { , 67 } \right] ^ { 1.5 } \text {. The elasticity of substitution is: }$$

A) 0.3
B) 1.5
C) 0.67
D) 3.00