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With what do you replace the ???? to make the function shown below return the correct answer?
long factorial (long x)
{
????
return x * factorial(x - 1);
}

A.	if (x == 0) return 0;	B.	return 1;
C.	if (x >= 2) return 2;	D.	if (x <= 1) return 1;

Answer and Explanation

Answer:if (x <= 1) return 1;

Explanation:
There is no explanation...

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