Answer:
A. a person's pitch or inflection
Explanation:
A paralanguare is part of the meta-communication, which refers to the caracteristic of expression more than the language can express. For example, volume, intonation, pitch and prosody are example of paralanguage, because through them can be express much more that the language can.
Therefore, the right answer is A., because pitch is part of the paralanguage, as we said before.
