- A(a)
- B(b)
- C(c)
- D(d)
Step-by-Step Solution
The crescent turns a quarter turn anticlockwise each time (bulging right, up, left, down) and its colour switches between yellow and orange. Next it bulges to the right again and is yellow: (c). (a) has the right position but the wrong colour.
Answer: C) (c)