Does the IP address remain the same or can it change automatically?

A. Option The IP address changes automatically if your computer has a dynamic IP address. A dynamic IP address is an IP address that is formulated using random numbers when your computer is switched on.
B. Option The IP address changes automatically if your computer has a dynamic IP address. A dynamic IP address is a temporary IP address and is calculated on your computer with an algorithm and is assigned each time you log on to the Internet.
C. Option The IP address changes automatically if your computer has a dynamic IP address. A dynamic IP address is a temporary IP address and is assigned by your ISP when your computer connects to the Internet.
D. Option The IP address changes automatically if your computer has a dynamic IP address. A dynamic IP address is a temporary IP address and is calculated on your computer by the IPv6.