The orange arrow changes from one box to the next by a fixed rule. Which answer figure (a)–(d) should replace the question mark?

Each step the arrow turns $45^{\circ }$ clockwise: up-left, up, up-right, right. One more $45^{\circ }$ clockwise turn makes it point down-right, which is (b). (a) turns $90^{\circ }$ and (c) turns back anticlockwise.