Cho biết \(\int\limits_1^3 {f\left( x \right){\rm{d}}x}  =  - 2,\,\,\int\limits_1^4 {f\left( x \right){\rm{d}}x}  = 3,\,\,\int\l

A. \(\int\limits_1^4 {\left[ {f\left( x \right) + g\left( x \right)} \right]{\rm{d}}x}  = 10.\)

B. \(\int\limits_3^4 {f\left( x \right){\rm{d}}x}  = 1.\)

C. \(\int\limits_4^3 {f\left( x \right){\rm{d}}x}  =  - 5.\)

D. \(\int\limits_1^4 {\left[ {4f\left( x \right) - 2g\left( x \right)} \right]{\rm{d}}x}  =  - 2.\)