Why did she say "she thought I would"?

I don't know how to flirt, nor do i recognize when i am, so, i dk what she meant when she said this, after i just plain asked her to do something with me. She said "i kind of figured you wanted to". I didn't even ask if she was single, or whatever, she just, thought I would ask her

Why did she say "she thought I would"?
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