In a box, there are 5 black pens, 3 white pens and 4 red pens. In how many 

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In a box, there are 5 black pens, 3 white pens and 4 red pens. In how many ways can 2 black pens, 2 white pens and 2 red pens can be chosen?

A. 180
B. 220
C. 240
D. 160

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