A/An _______ phrase uses the present participial form of a verb, along with any modifiers, as a noun, serving as a subject, object, or subject complement.
A. gerund
B. appositive
C. infinitive
D. participial
A gerund phrase it the one that sues present participial form. it is a form of a verb which ends in ING but it acts as a noun. It might be accompanied by modifiers such as adjectives, adverbs or prepositional phrases. Or a compliment like a direct or indirect object. They all would function as a noun.