Read the following information and answer the given question: A certain code-word uses the digits 1, 2, 3, 4 and 5. The digits are written from left to right and the following conditions are to be adhered to: 1)The code-word must be four-digits long. 2)Repetition of digits is allowed but there should be atleast two different digits in the code-word. 3)1 cannot be the first number in the code-word. 4)If 2 occurs, it should occur more than once. 5)3 cannot be the last number in the code-word, nor can it be next to the last digit. 6)If 1 occurs, 4 must also occur. 7)If 2 does not occur, 5 too cannot occur. Which of the following can be the code-word?

A train stops at six different stations on its route. After the train leaves the sixth station, it returns to the first station and repeats the cycle. The stations are located in six cities and are named A, B, C, D, E and F. E is the third station. B is the sixth. Station D comes before station F. Station C comes before station A. If C is the fourth station, which station among the following should come immediately before Station C?