In the following sentence, four words or phrases have been printed in bold. One bold part in the sentence is not acceptable in Standard English. Pick up that part and mark its number. If there are no errors in the bold parts, mark (5) i.e. No error as the answer.

The CBSE’s special scheme relies on syllabus rationalization (A)/ done through expert evaluation of intarconnectivity (B)/ of subjects, and a centralized(C)/ protocol of question papers and marking scheme for the term examinations. (D)