"Everyone knows I'm the worst, so why should I even go to the gymnastics meet this weekend?" declared Gretchen with a scowl.

Which best explains how this dialogue reveals character and moves the plot forward?

a. It shows that Gretchen lacks confidence; this establishes a man vs. self conflict.

b. It shows that Gretchen is boastful; this creates tension about how others will respond to her.

c. It shows Gretchen doesn't care about winning; this resolves the tension.

d. It shows that Gretchen's mother pushes her too hard; this establishes a man vs. man conflict.