Short answer-half note.
In common time the quarter note equals one beat, and there are four quarter notes in a measure.
Songs in alla breve contain two beats per measure, with the half note equaling one beat. That means that the time signature of the alla breve is represented as 2/2 (not 4/4 as common time is).
Answer:
C. Spiral
Explanation:
Although I can't see the picture too clearly, it seems that every other line on the answer choices is present; except a spiral line. Curved lines for shoulders and hair, bold lines with shading, and vertical lines for the neck. Hope this helps.