Answer:
A
Explanation:
It says it in the article
A gerund looks like a verb which ends in -ing, but it functions as a noun in a sentence. A predicate noun follows a linking verb, such as <em>to be, to seem, </em>etc. So, among all these examples, the only gerund phrase which is used as a predicate noun is found in the last sentence, and the gerund is leading, whereas the whole phrase is leading people to their seats.
In is the answer
Hope it helps :)
