Three red beads, two white beads, and one blue bead are placed in a line in random order. What is the probability that no two neighboring beads are the same color?

**Answer Choices**

A. \dfrac{1}{12}

B. \dfrac{1}{10}

C. \dfrac{1}{6}

D. \dfrac{1}{3}

E. \dfrac{1}{2}