Answer:
a) If you don't do this, you are letting your team down.
Explanation:
In paragraph 3, Erika's teammates gave her many reasons to go along with their plan. What was an implicit message they were giving to Erika?
a) If you don't do this, you are letting your team down.
b) You can do this because it will be easy.
c) If you do this, you can save the season.
d) You should do this because a real teammate puts the team first.