The answer is b., due to how the rhythm seems to be more fluidic
The actual group of people in the back of the room who have opinions and ideas all their own are known as the literal audience.
Literal audience refers to the type of audience who listens to the speaker's message. For instance, if speech is uploaded to the internet, then the audience would be who views it.
I think that the answer is B. ( the 2nd one from the top)
The last sentence is an example of a comma splice since 2 independent clauses are connected by only a comma(it needs a coordinating conjunction after the comma or change it to semicolon or period)