The first answer is correct (A).
A strong research requires, first and foremost, a questioning, a question that seeks an answer. The act of searching is driven by the search for answers. Necessarily, the scientific methodology suggests that the researcher has a hypothesis for that question.
This hypothesis is the guiding principle of the research, and is based on evidence and the researcher's experience and knowledge. However, finding the search answer may or may not confirm the hypothesis.
Question 3: How does punctuation impact the structure of Hughe's poem?
I believe the answer is either B) or D)
Question 4: How does this differ from Driscoll's use of punctuation?
I think the answer should be B)
The supporting sentence that makes use of an example is:
Beto used interval training to prepare for and win a marathon.
In this excerpt, the first sentence is the <em>topic sentence</em>, which is the sentence that contains the main idea. The second sentence is the supporting sentence that gives the reader further information about the topic. In the third sentence, the writer gives a specific example to support the main idea. Finally, in the last sentence, the writer provides factual information to make the topic sentence more relevant.