Do you mean "he had come"? In that case, the answer would be verb past tense.
He uses different point of views
Answer:
A. This would cause less frustration for teachers because they would not have to plan a lesson to reteach a concept that the students should already know.
Explanation:
Sentence B opposes the argument. Sentence C also opposes the argument. Sentence D does not support the central idea or the theme, and thus the answer is A because its the only sentence that support the argument.