Answer:
it persuade the reader or learner
Sentence C, it goes straight to the point and there is no overuse of commas.
Answer:
we were able.
it connects clauses/sentences or to coordinate words in the same clause
Answer:
Choice C! :)
Explanation:
Appositives are groups of words that rename the noun next to it. You hear them all the time in normal conversations. It's easiest to identify them by seeing which flows best and which has the correct comma placement.
Choice D is wrong because 'very badly' is acting as an adverb phrase.
Choice B is wrong because it breaks up the sentence.
Choice A is wrong because 'the main one in town' does not rename the post office.