The best counterclaim to complete the statement is the following one:
C) however, original authors deserve credit for their information and insights.
Explanation:
It is the best counterclaim because it gives a solid and meaningful reason for citing sources in a bibliography, which can be tedious work. In other words, it explains that, in spite of the fact citing sources can be boring, it is still necessary and relevant for a very good reason: it is ethical and fair that the original authors get credit for their efforts.
This is an excerpt from Romeo and Juliet. Romeo compares Juliet to the sun. He means Juliet is just as beautiful as the sun, and hence the moon is Rosaline, but Juliet is much more beautiful and ends up making Romeo's anguish move away from Rosaline.