Here are the answers to your questions:
Question 1
A) Which option describes a clause?
Answer: a group of words containing a subject and a verb working together
Question 2
A) Which sentence structure should be used to emphasize a single idea?
Answer: simple
Question 3
A) Which sentence structure would you use if you wanted to tell about a meal you ate and provide a description of the meal's flavor?
Answer: complex
Question 4
A) Use the sentence to answer the question.
Marie studied all day on Sunday, and she passed her mathematics test.
Which sentence structure is used in the sentence?
Answer: compound
Let me know if you have any more questions!