Final answer:
A) "She walked with purpose, her eyes focused on the horizon." The line that offers an indirect characterization of Bilee is 'She walked with purpose, her eyes focused on the horizon.'
Step-by-step explanation:
The line from the excerpt that offers an indirect characterization of Bilee is:
A) "She walked with purpose, her eyes focused on the horizon."
This line suggests that Bilee is determined and focused. By describing her walking with purpose and her eyes focused on the horizon, the line indirectly characterizes her as someone who is driven and goal-oriented.