In terms of punctuation, which of the understanding is NOT correct?

In terms of punctuation, which of the understanding is NOT correct?
A.Punctuation aims to show where a reader pauses to take a breath.
B.Punctuation aims to clarify the grammatical structure of sentences.
C.Punctuation is closely connected with meaning.
D.Punctuation can realize certain important syntactic structure.
正确答案：Punctuation aims to show where a reader pauses to take a breath.