I imagine it would be A seeing as primary sources are usually the way to go. It could also be B, though. Which answer did you have in mind? If it was A or B, go with youŕe gut on this one! (I'm leaning more towards B)
Answer:
b
Explanation:
hope this helped!
The second option
Explanation: Plural verbs do not end with the letter s.
maybe B
but I'm not sure i tried