Recent research on the effects of organizational citizenship behaviors (OCBs) has suggested: 

A. that there is no such thing as too much OCBsfocusing heavily on OCBs leads to increases in overall performance 

B. too much focus on OCBs can take away attention from task performance, leading to decrements in overall performance 

C. OCBs and counterproductive work behaviors are basically the same construct 

D. OCBs are not a type of contextual performance