What would you call a person who doesn't like questions being asked of them?
My sister says I ask too many questions, such as "What have you been up to lately?" She is the only person who says that.
What do you call a person who doesn't like questions being asked?
Another good word would be reticent: inclined to be silent or uncommunicative in speech.
If you don't want to be critical of her, you could say she's a private person.
If you want to imply she might be hiding something, you could say she is secretive.