Which of the Following Tactics Allows a Teacher to Modify

Which of the following tactics allows a teacher to modify instruction without making it obvious to students?

A) Provide station signs for students with auditory impairments
B) Provide a beach ball to a student lacking coordination while giving all other students smaller balls
C) Allow a student lacking coordination to take six swings while giving all other students three swings
D) Allow a student lacking balance to walk on a line on the floor while requiring all others to walk across the balance beam