If 2A = 3B = 4C, the A : B : C is = ?

Answer: Option C

$$\begin{array}{rl}& \text{A}\text{:}\text{B}\text{:}\text{C}\\ & 3\times 4:2\times 4:2\times 3\\ & 12:\text{8}:\text{6}\\ & \boxed{6:4:3}\end{array}$$