As the main course, the waiter suggested two dishes, but option sounded particularly appealing to me. A) both B) neither C) either D not any E ) none

The correct answer is C) either. The sentence suggests that out of the two dishes suggested by the waiter, one of them sounded particularly appealing to the speaker. The word 'either' is used to indicate one or the other of two things, so it fits the context of the sentence.