Read the following passage and choose the letter A, B, C, or D to indicate the correct answer to each of the questions:

THE OPEN UNIVERSITY

The Open University was created in 1968 to give people who cannot afford (1)________attend regular courses of study, the opportunity of studying    and (2)________a university diploma or degree. They study at home and their academic performance is assessed by (3)________of written examinations or project work. Most Open University    students (4)________in study while also holding down a job or coping with a busy home life. They study in order to update their job skills  or  for personal (5)________.

At the heart of  most courses is    a (6)________of specially written and  professionally printed textbooks and workbooks which students receive by post. On many of the courses, students are expected to watch television programmes on the BBC   network, (7)________are usually broadcast in  the  (8)________  hours  of  the  morning. The (9)________of these programmes is to develop  and broaden the study experience, (10)________students do not have to rely only on the printed material they are sent.

Điền vào ô 7

A. what                          

B. which               

C. who                           

D. that