What is achieved by changing your pitch, volume, and rate, stressing certain words and using pause strategically?

A speaker who uses emphasis effectively is most likely to draw attention to ideas by

A. using a lower pitch. B. using a higher pitch. C. speaking at a faster rate. D. using pitch, rate, and vocal quality.

Without the usual gatekeepers watching over bloggers, you cannot trust any of the information available in the blogosphere

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