Answer:
A.
Step-by-step explanation:
1+1+3-4
1+1=2
3-4=-1
2+-1=1
A.1
because 1+1=2 then you take 2 from that and add it to 3
2+3=5 then you get 5. now you have to subtract 4 from 5
5-4=1 and it gives you 1.
