When Tamara is alone with Michael, she tells him, "I care about your success as a sales associate and believe that the way you interact with clients is hurting your results." Tamara's criticism could be more constructive if she remembered to:_______
a) use "l-statements"
b) communicate her regret.
c) request a specific change in his behavior in the future.
d) address his competency in and commitment to sales.