Which two sentences from the passage most clearly support or make clear the author's main claim, as identified in the previous question?

A I disagree with the argument that tutoring can take place during "non-essential" classes.
D I agree with the proponents of a longer school day that standardized tests are here to stay.
C One way to avoid the problems raised by voluntary tutorials is to make these sessions mandatory.
D Therefore, I propose the following strategy: This school district should establish partnerships in the private sector.
E With motivation to attend tutorials, higher percentages of students will pass the test. Furthermore, participating businesses will have a return on their investments in the local community.

C One way to avoid the problems raised by voluntary tutorials is to make these sessions mandatory.

E With motivation to attend tutorials, higher percentages of students will pass the test. Furthermore, participating businesses will have a return on their investments in the local community.