The change that was made in the second sentence is that it created a compound sentence. The correct answer is option B. The compound subject now has two independent clauses: "The holidays are just around the corner" and "I need to go shopping". The independent clauses are connected with the coordinating conjunction "so".
I am going to stick with D.
It is very important to support your thesis statement with evidence.
Answer: Yes with possible slight variation A main idea is more general, while a concept is more specific. For example in an essay about child labour you could say the main concept is child labor, but the main idea is how to combat child labor.
Explanation:
