D. More hours don’t necessarily mean more quality instruy; both students and teachers get worn out.
You need to include the story it's talking about.
You didn’t attach the passage. In order to infer, we need background context.
An irregular verb is a verb that does not have regular forms, that is forms formed by stem+ed, such as for example:
Walk+ed: the regular past tense of walk is walked.
Here the irregular verb is "go" - the correct answer is D. I go, I went, I will go.
The other options show regular verbs.
Show the importance of education in advancing a more equal society I believe.