Answer:
The main idea or thesis for the article
Step-by-step explanation:
In the introductory part of the article, the main idea is focused upon. The first sentence of the article should be strong enough to propose the idea of the article. It sets the goal and purpose of the article. It gives an idea about the article and helps in documenting the text as stated by the author. The main idea or the thesis appears in the introduction of the article, while the other options appear in the later part of the article.