Let n be the largest integer for which 14n has exactly 100 digits. Counting from right to left, what is the 68th digit of n? (Hint: (1) the largest integer of q digits must be 10q-1, (2) using the concept of rational number with repeating decimal) (A) 1 (B) 2 (C) 4 (D) 5 (E) 8

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