<em> </em><em>I</em><em> </em><em>don't</em><em> </em><em>understand</em><em> </em><em>the</em><em> </em><em>question</em>
The answer is B.
When two voices sing exactly the same note simultaneously, the voices are singing In Unison or unisono in musical Term.
Answer:
I beg your pardon? I am mildly confused...
