Answer:
B) software industry disruptive technologies because cloud products and other SaaS products threaten his PC-based database
Step-by-step explanation:
Currently Dirk creates databases for PC video games, but if cloud technologies allow video games to not need their databases stored on PCs or other video game consoles, then Dirk would need to get a new job.
This is currently happening right now, for example Roblox games are all stored in the cloud and the PCs or tablets do not need to store any information.