Answer: This is an example of c. criticism.
Step-by-step explanation: The term 'criticism', which is a noun, means a statement that show disapproval towards a person or a person's work by making reference to his/her faults. In the case of the situation provided, Christine's speech is receiving a lot of criticism on part of Albert, who judges it as "boring". In that way, Albert concentrates on the faults or mistakes found in the speech and makes a comment about them to the person that delivers it, Christine.