A would be the correct answer, I had this doing home school.
In terms of the first question, "They" would be an objective pronoun, but it should be noted that this does not have to be so. for the second, the answer is "my".
Answer: she learned that her & her boyfriend both sacrificed their gifts for each other to have something for Christmas.
Explanation:
It seem to be based on Indian Legends.
The approach to life that naturalist writers advocate is relying on the protective boundaries of civilization. The correct answer is D.