How do Miss Kinnian’s feelings toward Charlie change as the plot moves along in part 2 of "Flowers for Algernon"?

At first, she is worried about Charlie, and then she is annoyed by him
At first, she is intimidated by Charlie, and then she feels sorry for him.
At first, she sympathizes with Charlie, and then she is intimidated by him.
At first, she is in awe of Charlie, and then she feels like she understands him.