Below are the percentages of test scores of a class of twenty students that took the human genetics exam #1 during the spring semester 2012.

51, 53, 55, 57, 57, 64, 68, 74, 79, 83, 83, 83, 85, 86, 87, 90, 92, 92, 96, 97.

Which of the following statements stated below is precisely correct based on the given information #2?

	A.	Using definition 1, the percentile rank of the score 87 is 72.5th 73th percentile.
	B.	Using definition 2, the percentile rank of the score 87 is 70th percentile.
	C.	Definition 1 and definition 2 percentile ranks for the score 87 would yield a different percentile rank.
	D.	Answers A, B and C are the right answer choices for this question.
	E.	Answers A and C are the right answer choices for this question.