A. <em>As I stepped off the bus, I looked around anxiously to find my best friend; but I was also thinking about the argument I’d had with my mother the night before</em>
As I stepped off the bus, I looked around anxiously to find my best friend; but I was also thinking about the argument I'd had with my mother the night before
Explanation:
Two plot lines; her first day of school and her fight with her mom