32. Which of the following statements is correct regarding splicing? (A) smURFs are used to recognize the poly A tail and initiate slicing (B) snRNPs are the protein product of U rich RNAs that partially complement the 5' splice junction. (C) CPSFs are products of RNA sequences designed to recognize the 3'OH at the splice site. (D) PABIII recognizes the A rich sequences at the 5' end of the splice site.