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Is this the question?
Please let me know and tell me if this is the exact questions of yours :)
<h2>HAVE A NICE DAY TO YOUU</h2>
I do not understand the question but I believe the answer is A.
The organ is considered the king of instruments. An organ is a large musical wind instrument having rows of pipes. The pipes of the organ are sounded by compressed air. The pipes are controlled or sounded from a large musical keyboard.
The answer would be B i think