Which piece of evidence could persuade a reader to support a claim that middle-school students should have access to more elective courses?

*
1 point
In a school that recently increased electives offered, attendance has improved.
When students have the same limited elective course options, students get bored.
Elective courses can be taken online, reducing the number of teaching staff required.
Electives classes are fun and easy for most students.

The evidence that could persuade a reader to support the claim that middle-school students should have access to more elective courses is: "In a school that recently increased electives offered, attendance has improved."