What helped Gerda remember Kai when she lived with a woman who could cast spells?

Based on the provided text, the options for what helped Gerda remember Kai are:

1. A) Rose bushes
2. B) White bushes

The text states: "0. What helped Gerda remember Kai when she lived with a woman who could cast spells? -) Rose bushes -) White bushes". It appears the options are presented with a dash and then a parenthesis, which is a bit ambiguous. Assuming the dashes represent the actual options:

The options provided are "Rose bushes" and "White bushes". Without additional context to specify which one is correct, both are listed as possibilities.

Answer: Rose bushes or White bushes (depending on the intended correct answer).