On average and all else equal, people find group conflict to be the least threatening in which of the following situations? $(2$ pts$)$ A$.$ when everyone int eh group is from a different department $($eg some people are from engineering, some from marketing, some from human resources$)$ B$.$ when everyone in the group is from the same deaprtment $($eg everyone is from engineering, everyone is from marketing, or everyone is from human resources$)$ C$.$ when everyone in teh gorup is from the same deaprtment $($everyone is from engineering, everyone is from marketing, or everyone is from human resources$)$ AND everyone went to the sam euniversity D$.$ the groups in A$,$ B$,$ and C would find group conflict to be similarly threatenging