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

Which of the following classes is one valid superclass of 'activated CD4-positive, alpha-beta T cell apoptotic process'?

A. T cell apoptotic process
B. 3',3'-cyclic GMP-AMP synthase activity
C. 2-aminoadipate transaminase activity
D. 2-dehydro-3-deoxy-D-pentonate aldolase activity

Answer: T cell apoptotic process