GMAT Sentence Correction (SC) | Re: Psycholinguists know that a child produces speech by imitating adults,

Either or is the right construction.

Neither X nor Y should have X and Y||

A) by imitating adults, but they do not know how he learns to distinguish significantly different phonemes or

B) by imitating adults, but they do not knoweither how he learns to distinguish significantly different phonemesnor

C) through the imitation of adults, but they neitherknow he learns to distinguish significantly different phonemes nor

D) through the imitation of adults, but they do not knoweither how
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