The directors of the launch declared it successful. Which word or words in the sentence are described by the objective complement?

a. successfulb. launchc. itd. directors

The answer is C - it.

The objective complement is describing the word "it".

Explanation:

An objective complement is a noun, adjective, or pronoun that works with a verb and names a direct object. In this case, the adjective successful works together with the verb declared to qualify the direct object, the pronoun it.