Question

then I made a mistake what mistake was reffered to here? what this speaker cosider this as a mistake.

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Answer 1

Answer:

The speaker made a mistake of asking the girl, his fellow-traveller, what it was like outside the train. The speaker considered it to be a mistake as it was unusual of people with proper eyesight to ask such a question. The speaker was afraid that the girl might discover the truth that he was blind