The shortest distance between the lines $\large\frac{x-6}{1}=\frac{2-y}{2}=\frac{z-2}{2}$ and $\large\frac{x+4}{3}=\frac{y}{-2}=\frac{1-z}{2}$ is?

Question

$(a)\;9\\(b)\;\large\frac{25}{3} \\ (c)\;\large\frac{16}{3}\\(d)\;4$