What does the IEP component titled extent of nonparticipation explain?
a. The degree to which parents will not be allowed to participate in the IEP process
b. The degree to which a student will not participate with nondisabled students in the regular classroom and in extracurricular activities
c. The degree to which a parent requests that a student not participate with other students meeting disability eligibility
d. The degree to which a student will not participate in federal, state, or districtwide formal assessments