D. No, because it enhances the writer’s credibility by acknowledging a counterclaim to the argument that print books are superior to e-readers.
Step-by-step explanation:
Correct. The writer should not delete the underlined text, because it enhances the writer’s credibility by acknowledging a counterclaim to the argument. The writer still argues that print books are superior to e-readers, but the writer acknowledges a counterclaim to that argument by stating that e-readers are good for enumeration.