Which topic sentence best supports the following thesis statement?
Being an older brother is a big responsibility
A. My younger siblings often imitate what I do.
B. I know I have to take good care of my bike because one day my
little sister will be riding it.
C. Although it can be stressful at times, I love being the big brother.
D. Last weekend, my parents asked me to watch Katrina while they
visited a neighbor