If the question is identify the sentence without an error then the answer is D- Henrietta is smarter than her.
The correct answer is A.
Answer B is a claim -- but it does not provide any supporting evidence or facts to prove its truth. Without supporting evidence it is basically an opinion.
Answer A provides evidence for the claim by listing the many resources that students can access via handheld devices. This statement better proves the truth of the opinion.
Answer:
both
Explanation:if he had been a good and responsible father, he wouldn’t have cheated and would have thought about the children and how it would affect them before taking action