Research of In-Group and Out-Group Biases Supports Which of the Following

Research of in-group and out-group biases supports which of the following?

A) Few children in middle childhood display bias toward any one group.
B) Most children don't show preferential treatment of in-group over out-group members.
C) Children are more likely to prefer the in-group, even when member displays negative behavior.
D) A strong sense of ethnic identity is associated with positive attitudes toward in-group and out-group members.
E) Low-status groups are likely to endorse negative stereotypes about their group.