How is the gerund used in the sentence?

All candidates will have an opportunity for speaking.

A.

direct object

B.

predicate nominative

C.

subject

D.

object of a preposition

Time for a quick refresher: A gerund is a noun formed with a verb ending in ing ... Gerund phrases always include modifiers and often include other objects. A gerund phrase always functions as a noun. Gerund phrases are always subjects, objects, or subject complements in sentences.