Don't mind Martin; he just likes to play devil's advocate, shows that Martin wants to provoke discussion.
The idiom “he just likes to play devil's advocate” is a Latin translation of ‘advocatus diaboli’ , refers to attack an argument even one is in favor of it in order to testify the validity of the proposition or to examine it’s strength.
I Think that the answer would be A. to show that Martin wants to provoke discussion.
