Choose from the List Below the Best Definition of Internet

Choose from the list below the best definition of Internet of Things (IoT) .

A) Internet of Things is the collection of electronic devices to the internet through sensors, software, and other technologies.
B) Internet of Things takes three forms, which progress from completely real to completely virtual
C) Internet of Things is the merger of video game principles and real-world simulations where the user can achieve badges and earn points while they learn new skills.
D) Internet of Things are physical devices controlled by computers using complex algorithms.