Rogers believed that providing genuineness, empathy, and in the therapeutic environment for his clients was critical to their being able to deal with their problems.
a. structuralismb. functionalismc. gestaltd. unconditional positive regard

D). Unconditional positive regard.

Explanation:

'Unconditioned positive regard', according to Carl Rogers is described as a positive, concerned, and acceptable approach that is articulated towards others regardless of their conduct or any personal opinions of the others.

As per the given description, Rogers belief displays that offering 'transparency, affinity, and unconditioned positive regard' for the clients is basic positive concern and acceptance that is required to be offered to the clients in a curative environment irrespective of their(clients) behavior towards him or the other standards established by people. Therefore, option D is the correct answer.