The introduction to an essay should not only engage the reader's attention, but also
a. state your conclusions about the topic.
b. present your thesis statement and your approach.
c. defend your approach to the topic.
d. present a call to action.

B. present your thesis statement and your approach.

Explanation: The introductory paragraph accomplishes three purposes: it captures the reader’s interest, it suggests the importance of the essay’s topic, and it ends with a thesis sentence. Often, the thesis sentence states a claim that consists of two or more related points. For example, a thesis might read:

A college essay has an introductory paragraph, several body paragraphs, and a concluding paragraph.

You are telling the reader what you think are the most important points which need to be addressed in your essay. For this reason, you need to relate the introduction directly to the question or topic... PF

i believe the answer is thesis, reasons, evidence, counterclaim, conclusion

well if you have a lion for example it will kill you and that's why you shouldn't have and exotic animal