What should the writer add to this sentence in order to create a complex sentence

Which of the following sentences refers to a conflict between characters in "two kinds"?

My best friend is a white girl named denise — we look at boys together. she sat in front of me all through grade school because of our names: o'connor, ozawa. i know the back of denise's head very well. why does the speaker share details about race, friendship, and names in this stanza? check all the correct answers. to indicate that the students were already segregated and isolated to emphasize the idea that all americans were treated as equals prior to the attack to reveal the extent of the impact resulting from the attack on pearl harbor to identify the compassionate response following the attack on pearl harbor

1. while some people only consider the cute little bundle of fur, there are many daily rituals of pet ownership. 2. one of the biggest surprises of adopting a puppy is how much exercise it needs on a daily basis. 3. the cost of food, the veterinarian and general supplies is another surprise to many new dog owners. 4. adopting a puppy is a hefty responsibility. read the four sentences and determine which answer shows the most logical order. a) 1, 4, 3, 2 b) 2, 3, 1, 4 c) 3, 2, 4, 1 d) 4, 1, 2, 3