Answer:
A. It's true that laptops are expensive, but the benefits they provide for student learning far outweigh any initial costs.
Explanation:
Adressing a counterclaim in a civil way means in a polite and formal manner. That means, not leaving space for insults or very casual words, therefore the arguments must be refuted with a correct logic and reasoning.
I think option A is the correct choise because it is the only one that is answering a counterclaim. With the phrase "It's true that..." we can see that someone gave his arguments before, and now it's time to answer. First the author of this phrase gives some credit to the counterclaim logic and reasoning, admitting that there is a valid point there: laptops are expensive. After that, the author gives his point of view and highlights the benefits of the use of laptops, this benefits overpass the main point of the counterclaim.
The answer is:
It establishes that African Americans are willing to suffer to achieve their rights.
It shows that ordinary African Americans were glad to participate in the movement.
Martin Luther King Jr. quotes Mother Pollard's words to demonstrate African Americans' willpower and eagerness to fight for their rights. During the Montgomery Bus Boycott in the 1950s, Mother Pollard refused to take the bus in spite of her old age and was a treasured influence to King.