The correct answer is A. intelligence.
Intelligence is the ability to acquire and apply knowledge and skills. It is the ability to think rationally and to solve problems. It is also the ability to understand and appreciate complex ideas.
Connectivity is the ability to connect with other people and things. It is the ability to share information and ideas. It is also the ability to build relationships.
Dynamic nature is the ability to change and adapt. It is the ability to respond to new situations and challenges. It is also the ability to grow and develop.
Enormous scale is the ability to be large and complex. It is the ability to handle a lot of information and data. It is also the ability to perform many tasks at the same time.
Of these four characteristics, only intelligence involves the facility to respond in an intelligent way to a particular situation. The other three characteristics do not necessarily involve intelligence. For example, a computer can be connected to the internet and have a dynamic nature, but it may not be intelligent.