52.They coincidently knew what would come up in the exam. They passed it with flyingcolors.
A. They happened to know what would be tested in the exam, because of that theyexcellently succeeded in it.
B. By chance they knew the questions would appear in the exam and it helped them to getimpressive grades for it.
C. Their high scores in the exam were resulted from the fact that they knew which questionswould be asked by
mistake.
D. That they knew the questions to be asked in the exam should account for their outstandingsuccess in it.

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