A singular verb would be used with a singular noun (she, Bob, Jane, truck) while a plural verb would be used with a plural noun (they, cars, books).
For example "The truck drives away." Truck being a singular noun and drives being a singular verb.
Another example
"The cars drive away." cars being a plural noun and drive being the plural verb.
Answer:
B. The princess loves the young man enough to choose the lady.
Answer: I believe it’s A but I may be wrong, because it could also be B
Her scare resource is Money.