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# Let A, B, C and D be non-zero digits, such that CD is a two-digit positive integer. BCD is a three-digit positive integer generated

Let A, B, C and D be non-zero digits, such that CD is a two-digit positive integer. BCD is a three-digit positive integer generated by the digits B, C and D. ABCD is a four-digit positive integer generated by the digits A, B, C, and D. Suppose that CD BCD ABCD + 4679 The value of A + B + C + D is.... (A) 16 (B) 17 (C) 18 (D) 19

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