Itinerant Teachers Are More Likely to Be Used in the Area

Itinerant teachers are more likely to be used in the area of visual impairment than in other areas of exceptionality primarily because

A) most classroom modifications are a matter of common sense.
B) blindness is a low prevalence condition.
C) there are not enough teachers trained in Braille to accommodate the number of students who need training in Braille.
D) regular classroom teachers can be easily trained to deal with the special needs of students with visual impairment.