Answer:
A thesis statement focuses your ideas into one or two sentences. It should present the topic of your paper and also make a comment about your position in relation to the topic. Your thesis statement should tell your reader what the paper is about and also help guide your writing and keep your argument focused.
The last one "he makes a wish of eternal youth without considering the consequences of his actions" is ended with a question mark but it isn't phrased as a question and should be ended by a period instead. The fourth sentence is the correct answer.