Find the value of \(\dfrac{42}{3}\div \left\lbrace \dfrac{12}{3}-\dfrac{1}{2}\left(2 \dfrac{1}{2} - \dfrac{1}{3} - \dfrac{1}{6}\right)\right\rbrace\)

• A. 14
• B. 1
• C. 14/3
• D. 9