The medium looks to be an oil paint. The value does not vary in contrast and the color stays on the dark side as opposed to lighter colors/shades
C
Calligraphy originated from China and Japan.
A is not 'decorative'.
B is not 'handwriting'.
D is not 'decorative'.
Which leaves C as the answer
What type of music do you prefer
A) ten.
means holding the note OR making the note louder.
B)Marc.
means playing the note/passage/chord forcefully and making it louder than the other music(usualy a main piece in a band/symphony).
C)mf.
means playing the note half softer.
D)dim.
means diminishing the note(usually at the end of the music piece).
Masaccio helped pioneer mathematical perspective!