Kelly is working on a group project with few of her classmates. The group members are all good friends, and the leader of their group is well-liked and popular. Kelly thinks that the research project that their group leader proposes is unethical, but decides she had best not say anything about it because she doesn't want to receive any criticism from her group members. Kelly is engaged in ____.
A. groupthink.
B. a dominant response.
C. toxic leadership.
D. self-censorship.