Which line from the text best summarizes Mrs. T.'s lesson to Jilly?
A."Well that is not the lesson I was thinking of," Mrs. T. said.
B."You did learn many lessons, Jilly. You knew so much when you started."
C."You've gone farther than any other assistants I've had. I will miss you."
D."That you will learn as much about yourself as you do about growing plants."
