Answer:
7.840136054421769
Step-by-step explanation:
Go to the number next to the one you cannot subtract from, take one away, and add a one in front of the number you cannot subtract from. e.g.
27 1(1)7 the answer would be 9
-8 -8
for your problem the answer would be 1109
I believe the answer to be only sequence A.
-Hope this helps, have a nice day! :)