Inside . . . . . . . . station cafe it was warm and light.

The correct answer is: D. no article

The sentence "Inside the station cafe it was warm and light" is about a specific cafe, so we do not need to use an article. If we were talking about a general cafe, we would use "a" or "an". For example, "I went to a cafe last night" or "I saw an interesting cafe on my way to work".

The article "the" is used to refer to a specific thing that has already been mentioned or is known to the reader. In this case, the cafe is not specific, so we do not need to use "the".

I hope this helps! Let me know if you have any other questions.