(A) Research indicates that mandatory tutoring sessions are generally less beneficial than voluntary tutoring sessions.
- we not concerned about the debate of voluntary tutoring vs mandatory tutoring.
(B) Most high school students only struggle with one or two subjects, such as math or history, and do not feel like they need help with other subjects.
- ok. They struggle with two subjects only. But, does it mention anything about tutoring. We just can't assume that "tutoring should be provided" should be the conclusion. Eliminate.
(C) High school students who are 17 and 18 do not benefit from tutoring sessions to the same extent as younger high school students. - weakens.
(D) High school students between the ages of 14 and 16 spend more time studying outside of school than older high school students do. - so what ? It doesn't talk anything about tutoring.
(E) Studies show that high school students younger than 14 and older than 16 also learn more when tutoring supplements their classroom activities. - this strengthens the argument and gives data to support that tutoring should be provided.
Thus, E.
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