The value of \[\frac{1}{2}\left[ \frac{-7}{4}+\frac{5}{3}+\frac{-5}{6}+\frac{1}{3}+\frac{-1}{2} \right]\]\[+\frac{1}{3}\left[ \frac{-12}{5}+\frac{-7}{20}+\frac{3}{14}+\frac{1}{7}+\frac{-1}{10} \right]\] is

• A.  \[\frac{1153}{840}\]     
• B.  \[\frac{128}{105}\]         
• C.  \[\frac{128}{105}\]                  
• D.  \[\frac{-125}{256}\]