Autism is one of the neurological disorders that create confusion and parents are often unsure if their child is affected by such a developmental disability.
A. create confusion and parents are often unsure
if their child is affected by such a developmental disability
Incorrectif clause cant convey intended meaning, whether needed
B. create confusion and parents are often unsure
whether their child is affected by such a developmental disability
or not Incorrect..............whether .........or not - uses redundant in GMAT, only whether needed
C.
creates confusion and parents are often unsure whether their child is affected by such a developmental disability
Incorrectthat modifies disorders, so creates should be create
D.
create confusion and parents are often unsure whether their child is affected by such a developmental disability CorrectE.
creates confusion and often parents are unsure whether their child is affected by a developmental disability of this sort
Incorrectsame as C