Will the sign of the product of two negative numbers be negative or positive? Explain your answer.
 A. 
Cannot tell; the sign depends on the absolute values of the factors.
 B. 
Negative; if either of the factors is negative, their product is negative.
 C. 
Negative; if the signs of the two factors are the same, their product is negative.
 D. 
Positive; if the signs of the two factors are the same, their product is positive.