Alice and Bob want to use Diffie-Hellman Key Establishment to share a key and they have agreed to use the prime number p=97 as their modulus. They have to choose their g from the following list of numbers, none which are unfortunately primitive roots: 6, 9, 18 Sort these numbers in the order of suitability, putting the most suitable on the left. Select one: a. 18, 6, 9 b. 9, 18, 6 c. 18, 9, 6 d. 6, 18, 9 e. 9, 6, 18

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