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

Which of the following classes is one valid superclass of 'negative regulation of spore germination'?

A. 2-dehydro-3-deoxy-D-pentonate aldolase activity
B. 17alpha-hydroxyprogesterone binding
C. 17-methylnonadec-1-ene biosynthetic process
D. regulation of spore germination

Answer: regulation of spore germination