Speech and Language Impairments Constitute a Secondary Disability for Approximately

Speech and language impairments constitute a secondary disability for approximately _____.

A) 60% of students who receive special education services for another primary disability
B) 50% of students who receive special education services for another primary disability
C) 30% of students who receive special education services for another primary disability
D) 20% of students who receive special education services for another primary disability