Which statement BEST describes the operation of a negative-edge-triggered D flip-flop?

[A].	The logic level at the D input is transferred to Q on NGT of CLK.
[B].	The Q output is ALWAYS identical to the CLK input if the D input is HIGH.
[C].	The Q output is ALWAYS identical to the D input when CLK = PGT.
[D].	The Q output is ALWAYS identical to the D input.

Answer: Option A

Explanation:

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