This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
When asked about his residence, patient says - "I was born in Kerala, at the age of 26 I got job. 2 years later i got married. now i am living in Bangalore". This is an example of : 
Select and explain. 
A. Clang association, B. Neologism, C. Circumstantiality, D. Thought broadcast
C: Circumstantiality
Answer: C: Circumstantiality 
Explanation: Because patient adds unnecessary details before reaching the final answer - which is a formal thought disorder called circumstantiality.