The correct answer would be helping verbs. The helping verbs are combined with the main verbs to indicate time, possibility and other kinds of meaning. The helping verbs' function is to help extend the meaning of the main verbs by adding more detail on it. Helping verbs are very essential in the formation of different tenses of the verb.
Fruit
is it? since, fruit is a noun and has many varieties.
hope it does help :)
B. The benefit lost when choosing between 2 options
