Read the excerpt from Sophia’s letter to the manager of an automotive shop. I bring my car to your shop often. This time, however, I am not happy with the service I got.Which is the best revision of the underlined portion of the sentence?

“I am dissatisfied with the service I received” expresses Sophia’s complaint clearly and uses a more appropriate, professional tone for a letter to a shop manager. Choice A is more casual, and choice B is grammatically incorrect because it is missing “am.”

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