Answer:
D) Gibran shows the need for more self-assertion in matters of love.
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.
