20. The first term of a sequence is 5. Which of the following patterns would make the sequence
arithmetic?
l. Add 4 to the previous term.
II. Multiply 4 to the previous term.
III. Subtract 4 from the previous term.
IV. Divide the previous term by 4.

A. I only
B. I and II only
C. I and III only
D. ll and I only​