Number of ways in which 8 people can be arranged in a line if A and...

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Number of ways in which 8 people can be arranged in a line if A and B must be next to each other and \( \mathrm{C} \) must be somewhere behind \( \mathrm{D} \), is equal to
P
(A) 10080
(B) 5040
(C) 5050
(D) 10100
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