Which of the Following Statements Is True

Which of the following statements is true?

A) The infant's abnormal phonological development as a result of the open palate can persist into early speech, even after the palate is repaired.
B) Many children with VPI have reduced expressive language output due to difficulty with speech production.
C) Children with a history of cleft lip only are just as likely to have speech sound errors as children with a history of cleft palate.
D) a and b
E) a and c