Which sentence best shows the reader what the narrator’s brother is like?
A
For a whole month, my brother came home every day after school and worked on his college applications.B
My brother, the oldest child in our family, is six years older than I am and nine years older than my sister.C
My brother is very motivated to succeed in achieving the goals he has set for himself.D
After my brother went to college, I thought a lot about the goals I want to achieve for myself.