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

Which of the following classes is one valid superclass of 'L-histidine biosynthetic process'?

A. 3-deoxy-7-phosphoheptulonate synthase activity
B. proteinogenic amino acid biosynthetic process
C. 2'-deoxyguanosine DNA ADP-ribosyltransferase activity
D. 2-deoxyglucose-6-phosphatase activity

Answer: proteinogenic amino acid biosynthetic process