Answer:
The "lottery" by Shirley Jackson
Theme: someone who is blamed for the evils of a society and banished in order to expel sin and allow for renewal.
Explanation:
The danger of tradition and blindly following along is not always a good idea.
The answer to your question is B.
The sentence from the introduction paragraph that serves as the author's thesis is: "<em>Yet key technological developments caused a rapid growth in American urban areas</em>."
A thesis statement is, by definition, the sentence that captures the main idea and your point of view on it on your article.
The sentence that I believe best represents what the author meant to present to the readers is one that briefly explains his view on the topic mentioned in the title, which is the positive effect of technological advancements on a city's growth.