- A(a)
- B(d)
- C(b)
- D(c)
Step-by-Step Solution
Two things change together: the number of dots goes up by 1 (1, 2, 3, 4) and the group moves one corner clockwise (top-left, top-right, bottom-right, bottom-left). Next comes 5 dots back in the top-left corner: (d). (b) forgets to add a dot and (a) moves the wrong way.
Answer: B) (d)