Respuesta :
The colleges with large campuses typically offer the free bus service on campus.
The free bus service organized by the college authorities is to lighten the stress that the student might encounter during movement from campus to the lecture rooms.
The free bus service is part of the welfare program offered by the institution because it does not requires the payment of service fee from the students.
Therefore, the Option D is correct because colleges with large campuses usually offer the free bus service on campus for the students.
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