Researchers who assume that their research can help people resist forces of power and oppression represent the approach to studying intercultural communication.

D. critical approach.

Explanation:

The critical approach view sees the communication and reality are subjective and focuses on the environment and the context of the conversation.

They believe that different cultural influences have the main impact on communication, and with it, on the effect of power, struggle, and oppression.

Their idea is that this point of view and their researchers can help develop critical thinking, which can affect the change in the society in the matters of resistance of the oppressive forces in the societies. This should be developed by helping those who lack power in the society to expand the identity and group identity, and with it deconstruct the societal influences and source of power.