Solution:Adjectives should be written before the noun (pen) that is being qualified.The general order of adjectives before a noun is the following:
- Opinion,
- Size,
- Shape,
- Condition,
- Age,
- Colour,
- Pattern,
- Origin,
- Material
- and Purpose.
'Glittery represents opinion and 'black' is the color. Hence, 'glittery black pen' is the most appropriate answer.