The correct answer is C. The period during which the universe grew exponentially.
Step-by-step explanation:
According to different theories regarding the origin of the universe, after the Big Ban occurred, a rapid cosmological inflation period took place, this means after the big explosion the universe expanded or grew exponentially. This inflation or expansion period is believed was essential as this led to the creation of large structures in the universe as well as the features in it. According to this, the statement that describes the inflation period of the origin of the universe is "The period during which the universe grew exponentially".