She can accept your gift, which shows that she is hesitating. Don't transfer the pressure to her at this time, not asking her to admit it verbally, but you should take further actions to promote the relationship.

My suggestion is:

First, you continue to ask her out, but don't force her to ask such questions and let her think about it. Instead, treat her as your good friend and get along directly and naturally, have coffee with her and go shopping with her.

Second, when you look for opportunities to create intimate opportunities, such as walking and shopping, it is natural to hold her hand and test her reaction.

I think you have a good chance of success.

Third, she said that she can't be lovers and friends. This clearly shows that she doesn't reject you and has some affection for you, but you can't ask her to say, I really want to be your girlfriend. Do you agree? Well, if you force her to answer like this, it's actually equivalent to asking her to do so, so don't do it next time. You can test her mind with your behavior. So she won't feel too much pressure. Girls should be reserved.

Finally, I wish you all the best Come on, you have a good chance of success.