Mrs. Ramirez, a fifth-grade teacher, wants all students in her fifth-grade classroom to receive quality instruction. Which of the following should her lesson plans always include?

A. Individual work for gifted students and planned time for whole class reteaching
B. Activities covering various levels of difficulty to allow for students to make self-directed choices regarding learning tasks
C. Extra time for reteaching and needs-based modifications of student activities
D. Chunks of time for small-group instruction for students with learning disabilities