Answer:
B because b and c is 5
Step-by-step explanation:
]E is wrong because from b to c is 5
C is wrong because from a to b is -1 and from a to c is 3 when added together is 2 but bc is equal to 5
D is wrong because from a to b is -1 and from b to c is 5 when added together is 4 but a and c is 3
A is wrong because from a to b is -2 and not -3
making B the only possible answer