The black Round
The eighth note
The white

Please choose one and correctly and, also no links

The correct answer is A. The black

Explanation

The black one is a musical figure that is equivalent to a time and is represented with an oval shape in black with a bar pointing upwards. This figure is used to express melodies on a staff. It is one of the most used figures in scores, as well as the white (two beats), the round (four beats), the eighth note (half time), and the sixteenth note (a quarter-time). According to the above, the correct answer is A. The black.