B, Apperance can be an important reflection of a social status.
Unfortunately I don't know what poem you're talking about but I can provide some insight on the word luminous! Luminous is typically applied to people or characters to express a bright and happy personality. So without reading the poem I can tell you the author most likely means the turtle is an optimistic, joyful guy!
Answer:
The term “magical realism” was first used by the German art critic Franz Roh in 1925 to describe a new style of European painting.
Explanation: