WILL GIVE BRAINLEST Which research question would lead to the most information about methods public schools can use to strengthen literacy at all grade levels?

A.
Which national organizations are currently collecting data on high school literacy programs?
B.
How do literacy programs in other countries compare to those in the United States?
C.
Which literacy improvement techniques have proven most effective with students?
D.
What are the most effective tests to assess the literacy levels of graduating students?
E.
What can school districts do to support teachers in improving their own literacy skills?