题目内容：
What does Jim Sinclair suggest concerning cheating on the exam?
A．The possession of any electronic device must be authorized by the Joint Council for Qualifications. B．The effective approach is being taken and finally the number of exam cheating case will be "zero".
C．For any student who cheats in an exam, the mark on his or her exam paper will be deducted to "zero".
D．Unauthorized electronic equipment is not allowed to bring to the exam hall.
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