The word "raise" can mean to lift something to a higher position, increase something, or bring up a topic or concern.
Sentence A: Correct usage - "Raise" is used in the sense of lifting or elevating hands, which is appropriate.
Sentence B: Correct usage - "Raise" is used figuratively to mean increasing the volume of one's voice, which is correct.
Sentence C: Correct usage - "Raise" is used to indicate an increase in prices, which is also a common and correct usage.
Thus, option (4) is the correct answer.