How Can a Person with Associative Visual Agnosia Be Differentiated

How can a person with associative visual agnosia be differentiated from a person with optic aphasia?

A) Both disorders are unable to correctly copy a drawing, but only persons with optic aphasia are able to realize that they are showing poor performance.
B) Those with associative visual agnosia may also show difficulties in recognizing colour but a person with optic aphasia never has these difficulties.
C) Those with associative visual agnosia usually cannot correctly mimic the use of the object, whereas those who exhibit optic aphasia usually can pantomime the object's use, despite their inability to name it.
D) Those with associative visual agnosia can correctly name musical instruments whereas those with optic aphasia cannot.
E) Optic aphasia is a result of damage to the primary visual cortex whereas associative visual agnosia can occur from damage to a variety of different regions.