A
A.$alpha_{1}+alpha_{2}-alpha_{3},alpha_{1}+alpha_{2}+5alpha_{3},4alpha_{1}+alpha_{2}-2alpha_{3}$;
B
B.$alpha_{1}+alpha_{2}+alpha_{3},2alpha_{1}+alpha_{2}+2alpha_{3},alpha_{1}+alpha_{2}+alpha_{3}$;
C
C.$alpha_{1}+alpha_{2},alpha_{1}+alpha_{2}+alpha_{3}$;
D
D.$alpha_{1}-alpha_{2},alpha_{2}-alpha_{3},alpha_{3}-alpha_{1}$.