Task: Class Relation Understanding (ontology: Sciences/Biology)

Which of the following classes is one valid superclass of 'kojic acid biosynthetic process'?

A. kojic acid metabolic process
B. (R)-4-hydroxymandelate metabolic process
C. 'de novo' post-translational protein folding
D. (25S)-Delta(4)-dafachronate metabolic process

Answer: kojic acid metabolic process