The answer is: [A]: simple. ___________________________ The sentence given: ___________________ "<span>South Africa is the wealthiest and most powerful country of the region." ______________________ is a simple sentence.</span>
The word 'of' is a preposition, so your prepositional phrase would be C. of city life. This is because the preposition is directly connected to the object, which in this case is the sounds of the city.
