Answer: B. Critical thinking
Explanation: Simon is involved in critical thinking because he is analysing and evaluating several scientific findings and making sound judgement.
Critical thinking is the ability to work clearly (rational), the ability to connect logical ideas together to provide a sound judgement.
Simon's sound judgement was based on his research work and his research work involved critical analysis and evaluation of conclusions which involves finding connections between this scientific findings. This is a good illustration of Critical thinking.