Question 2 of 3
What is the rule for this pattern?
17, 20, 19, 22, 21 …
A. Start with 17, then add 3 and subtract 2 repeatedly.
B. Start with 17, then add 4 and subtract 1 repeatedly.
C. Start with 17, then add 2 and subtract 3 repeatedly.
D. Start with 17, then add 3 and subtract 1 repeatedly.