Which figure completes the series?
Explanation: Subsequent figures have an additional white-square-with-cross. Option A completes the sequence.
Explanation: Subsequent figures are rotated through 90 degrees clockwise and an increasing amount of the original colour is inverted. Option C completes the sequence.
Explanation: The line moves 135 degrees anticlockwise and the black diamond moves clockwise to the next corner. Option C completes the sequence.
Explanation: Black squares and white squares are added alternately. Option B completes the sequence.
Explanation: Subsequent figures are rotated through 90 degrees anticlockwise and a black triangle is added clockwise to the existing black shape. Option D completes the sequence.