This is because most of the institutes for higher learning lack the basic infrastructure trained staff and equipment necessary for the physically challenged.
Which of the following sentence would immediately precede the above sentence ?

Many physically challenged people have been performing as well as other students per form in their studies

The percent of illiterate physically challenged people in rural areas is considerably more than that in the urban areas

According to a recent survey only two out of nearly 200 universities in India have adequate number of books in Braille

Although government has been making many provisions to improve higher education in India no attention has been paid to the education of the physically challenged students

None of these