Which of the following describe a “working thesis statement”? i. a changeable focus for your research. ii. a statement that makes a final conclusion about the topic. iii. a statement used during the research process.

The thesis begins with the selection of the topic or the focus of the study. The phrase "working thesis statement" means that the study is ongoing which makes the answer to this item III. However, in the course of doing the study, the focus may be change. Thus, option I can also be an answer.