Look for change in the authors writing.
I’ve sister had this question and i think it’s C
(don’t hate me if it’s wrong)
Answer:
=students should enter the exam hall by 10 am
=students should bring admit card in order to give their exam paper
= no one is allowed to talk and should maintain silence in the exam hall
= student are not allowed to talk to the invigilator rudely
= students are not allowed to leave the hall before one hour
