The African Games Co-production Market, one of over 180 annual international conferences supporting video game
development, ______ the growth of the African gaming industry by helping start-up studios in Africa ﬁnd partners.
promote
are promoting
promotes
have promoted
Choice C is the best answer. The subject of the sentence is “The African Games Co-production Market.” That’s one market,
so it’s a singular noun, which means it needs a singular verb. “Promotes” is the only singular verb among the choices. 
Choice A is incorrect. This choice creates a subject-verb agreement error. The subject “The African Games Co-production
Market” is singular, but the verb “promote” is plural. Choice B is incorrect. This choice creates a subject-verb agreement error.
The subject “The African Games Co-production Market” is singular, but the verb “are promoting” is plural. Choice D is
incorrect. This choice creates a subject-verb agreement error. The subject “The African Games Co-production Market” is
singular, but the verb “have promoted” is plural.