Explanation: Pitch is the frequency of completed vibration cycles in a given tone. Blank is determined by how often your vocal cords vibrate. The tone of voice is the quality of a person's voice, such as: volume of the voice, tone characteristics.
It is not looking for the good here, it is looking at the bad, so it is not B. It is not angry, so it is not D. It is not sounding like this person is bored so it is not A
