Ms. Evans, a ninth-grade special education teacher in a self-contained classroom, has implemented a formal social-skills curriculum for the first six months of school. When examining her students' progress on social-skills goals and objectives, she notes that they have made limited progress. Which of the following is the most appropriate response to the progress data that Ms. Evans can make?

A. Providing students with multiple opportunities to apply social skills in a variety of settings
B. Increasing the amount of time students spend on social-skills instructions during the instructional day
C. Setting up scripted sessions in general education classrooms with nondisabled student volunteers
D. Teaching students that social expectations are similar across home, community, and school settings