Which comment is the best example of an unbiased opinion?

A. “I will visit the contemporary art show because I love abstract art.”
B. “This artist’s work is unprofessional!”
C. “I can only look at artwork from the Renaissance.”
D. “This artist pays close attention to capturing the shadows on the subject’s face.”

D. "This artist pays close attention to capturing the shadows on the subject’s face.”

The best example of an unbiased opinion is option D: "This artist pays close attention to capturing the shadows on the subject's face." This statement focuses on a specific aspect of the artist's work without any personal preferences or judgments.