Question

Each of the following is a challenge particular to users of augmentative or alternative communication (AAC) not faced by natural communicators EXCEPT
a) There are no systems that allow for expression of complex, abstract thoughts.
b) AAC is much slower.
c) Users of AAC who are not literate must rely on a vocabulary and symbols selected by others.
d) AAC must be constructed to be useful in a variety of social contexts, allow efficient communication without undue fatigue, and support learning of language and academic skills.

Answer

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