Clara plays an offensive prank in the workplace and in order to make her not repeat such behaviour she s given punishment by the manager of the organisation who tells her friends to ignore her actions. 
- The college is in order to punish her so that she does not do such pranks again in the workplace. Adopt a type of reinforcement method such as extinction. 
- The process is used in (ABA) applied behaviour analysis and is done to discontinue the problem behaviour and eliminate the occurrences of the negative behaviours. 
Hence the option D is correct. 
Learn more about the offensive pranks at her workplace, which was so far encouraged by her colleagues.