Pick out ONE best option (A, B, C or D) to nil in each numbered blank, completing the meaning of the passage

I used ___(1)___ to a school for tile gifted ___(2)___ Ho Chi Minh City. My house was far away, so 1 had to live with my relatives. It was an ___(3)___ family with ten people and a cousin of my age. My mother was ___(4)___ because I came from a nuclear family - much smaller ___(5)___ less complicated. I was a very disobedient girl - the type of person who never does what they arc told. I was even envious when my cousin got higher grades. Luckily, ___(6)___ relatives were actually very sympathetic and understanding, and my cousin herself a tolerant girl. She didn’t get too upset by my bad behaviour. Just as caring as her mother, she was ready to ___(7)___ in my study and to take care of me when I was ill. After three years with them, I also learnt that to get along with members in a big family, I should learn how ___(8)___.