Which body paragraph most skillfully provides details about the adjustment and attempts to regain the customer's confidence

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c. We take complaints such as yours very seriously and investigate each and every one carefully. In your case we have come to the conclusion that no fault on your part can be detected. In fact, apparently some piece of machinery in our plant malfunctioned. Rest assured that we have investigated the flaw and addressed it immediately so it won't ever happen again.

Explanation:

Out of the options provided, the one that most skillfully provides details about the adjustment and attempts to regain the customer's confidence is the one that provides information about what the problem was without getting into too many technical details that could highlight the problem and are not really helpful for the customer. At the same time, is important to acknowledge the customer´s frustrations, apologize properly and ensure actions have been taken to provide a better service for the future

b. his ability to use formal language to stress strong feelings

a. conversing outside

explanation:

conversing outside is an example of a communication style.

i hope this you, and have a wonderful day!