B. Both pairs of opposite sides are parallel.
A gerund<span> is a verb form that ends in -ing. A </span>gerund phrase<span> includes the </span>gerund<span>, plus any modifiers and complements. </span>Gerunds<span> and </span>gerund<span> phrases always function as nouns. They can act as subjects, direct objects, indirect objects, predicate nominatives, or objects of a preposition in a sentence.</span>
<span>He says he will support them if they explain their actions</span>
