How does creating an idea inventory help you start a research paper? It helps you figure out what you already know and what you
need to research about your topic. It provides an extensive list of possible approaches to take on various topics. It organizes your ideas for topics into manageable pieces so you can narrow down your topic.
The correct answer is "her". This is because an antecedent basically means to whom does the pronoun refer and the pronoun has to refer to Miss Kensington. This is why the correct form is her.