Answer: The option that is not part of the psychological context of their communication is (D). Carlos and Tina's table in the library.
Explanation: Tina's and Carlos's concerns belong to the psychological context of their communication because they refer to something that is happening inside their heads. These concerns affect their mental and emotional state. Moreover, the stress that Tina feels due to her upcoming exam is also part of the psychological context since it affects Tina's mind. In contrast, Carlos and Tina's table belongs to the physical context of their communication, that is to say to the context related to the external world.