The common theme in many of Franz Kafka's stories is Alienation.
Explanation:
Franz Kafka was a famous novelist, fusing realism and fantastic elements in his works. His characters are mostly seen facing some bizarre or surreal situations. And his works mostly deal with the exploration of various themes that greatly deal with alienation. This alienation may be from the society, from people around us, and may even be from our own selves. To him, society is the most frequent and strongest alienating factor that needs to be taken care of. Societal alienation is the biggest hindrance to the progressing of our true identities and this alienation, when changed or remedied, will eventually bring about the betterment of the person and the society as a whole
The correct answers would be Computer, Internet, Electronic, and pretty much anything else that refers to something with being online, or the internet.
It would be his hunger, thirst, and suffocation in the train car. The other options are internal conflicts because they are occurring inside his head and are emotions or thoughts.