Critical Reasoning

Critics accuse the Redwood School District of not spending enough money per student. However, this is clearly not the case as records show that the Redwood School District has double the annual budget of the neighboring Tilden School District.

Which of the following would most strongly weaken the argument above?

A ) The Tilden School District covers the students from 3 towns while the Redwood School District only covers the students from 2 towns.
B ) The Tilden School District recently installed new computer labs in several of its schools.
C ) The Redwood School District pays its teachers a higher annual salary than Live Oak School District.
D ) The Redwood School District has three times as many students as the Tilden School District.
E ) Studies show that the amount spent per student is directly related to student achievement.

OA is D
weaken? I thought I would go for option E. But could I be wrong. pls, I need the help of an Expert. ThANKS