I would say A is the correct answer, None of the others really seam to fit well
Today, the advancement of technology offers media professionals a wide range of possibilities to develop their communication process: be it through images, videos, sounds and other digital tools, it seeks to incite the viewer, to captivate and generate a larger audience.
Thus, presenters make use of these tools, within which audio, as a direct inciter of the sense of hearing, seeks to generate sounds (be it ambient sounds, background or foreground music, for example) that generate the necessary attraction to captivate the audience.
The use of on the other hand, also, and in other words, are c. They transition to another thought. These words are usually used in transitioning sentences to begin a new thought!
I hope this helps you!
