Based on the given sentence above, I can say that it is a compound sentence. What makes this sentence compound is that, it consists of two independent clauses and are connected by a coordinating conjunction "so". Therefore, the answer for this would be the last option: two independent clauses.
The answer is the last one, D. All of the other transitions indicate that the writer will either go into further detail on the subject or list other reasons as to why this would be correct. However, D clearly uses a contrasting transition to introduce a new argument.
A. The answer is A because D and C are incomplete, and B has improper grammar, being there is a comma after the game makes it incorrect.
The component of an effective supporting paragraph of a research report is the summary. A research report is often used in studies that demand highly factual evidences or proof. The aim of research reports is to clearly and concisely discuss your topic. Therefore, in order to make it easier for the readers to understand, a summary should be included.