Maria has learned to effectively use several fluency-enhancing techniques.Therefore,when she gives oral presentations in class,she

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Quizplus · Accepted Answer

The question states that Maria has learned to effectively use "several" fluency-enhancing techniques, which suggests that she is using more than one technique. Therefore, the best choice is D, which includes all of the above options: slowing her rate of speech, increasing the length of her pauses, and increasing the loudness of her voice. By using a combination of these techniques, Maria is able to enhance her fluency and deliver more effective oral presentations.

Maria Has Learned to Effectively Use Several Fluency-Enhancing Techniques