- A(a)
- B(b)
- C(c)
- D(d)
Step-by-Step Solution
The top row has been filled from left to right and the next cell, the left end of the middle row, has been coloured. The next one is the centre cell: (a). (b) jumps down to the bottom row, (c) colours two new cells and (d) jumps to the far corner.
Answer: A) (a)