What is the effect of Giselle's interaction with Mr. Fletcher as she prepares to take Dark Star for a ride?

A. Giselle is convinced by Mr. Fletcher's argument that it is too soon to ride and changes plans in the interest of Dark Star's safety.
B. Giselle is angered by Mr. Fletcher's suggestion she postpone her ride and leaves her position as Dark Star's caretaker.
C. It shows that Giselle is mature enough to put aside her own interests to show respect for the opinions of others.
D. It reveals that Giselle is a complex character with both a responsible side and a deceitful side.