Which of the Following Is a Difference Between the Surface

Which of the following is a difference between the surface structure and the deep structure of language?

A) Surface structure includes prelinguistic vocalizations like cooing and babbling, whereas deep structure includes holophrases and telegraphic speech.
B) Surface structure is the superficial grammatical construction of a sentence, whereas deep structure is the underlying meaning of a sentence.
C) Surface structure is the number of words one understands, whereas deep structure is the number of words one can use in a sentence.
D) Surface structure is the automatic repetition of sounds or words, whereas deep structure is the use of pitches of varying levels to help communicate meaning.