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In Carnrvale’s model of Mediator Behavior, problem-solving means ______
A.
a high concern for parties' aspirations and a high perception of common ground.
B.
a high concern for parties' aspirations and a low perception of common ground.
C.
a low concern for parties' aspirations and a high perception of common ground.
D.
a low concern for parties' aspirations and a low perception of common ground.