Question 7:

Assume that x and y are properly declared int variables. 
Which of the following boolean expressions is NOT equivalent to this expression?

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!(x > 3 && y <= 7)

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A) x <= 3 || y > 7
B) !(x > 3) || !(y <= 7)
C) x < 3 || y >= 7
D) !(x > 3) || y > 7
