D. C is true, ignore the other person. Children also have depression. Part of depression is losing interest in your normal activities.
Random. Hope this helps:)
It is because the “building” word that denotes infrastructures is a gerund. Gerunds are nouns that came from verbs + a suffix “ing". So in this case, “building” comes from the verb “built" (which implies that something is already done building something) + the “-ing”.