A

\[\vec{B} - \frac{1}{4} \vec{A} \]

B

\[\frac{14\vec{B} - 3\vec{A}}{12}\]

C

\[\frac{3}{4} \vec{A}\]

D

\[\frac{4\vec{B} - 3\vec{A}}{12}\]

E

\[3\vec{A}\]