Paragraph A discusses how different cultures have their own conventions for what and how students should learn. Paragraph B talks about diversity both between and within cultures, using Britain as an example of how expectations change from primary/secondary school to university. Paragraph C analyzes how writing styles are culture-specific and abilities don't necessarily transfer between languages. Paragraph D argues diversity also exists between academic disciplines in terms of writing standards. Paragraph E summarizes there are three levels of cultural adjustment overseas students face: different learning styles, secondary to tertiary transition, and entry to disciplinary sub-cultures.