Rotated patterns

This task is about rotation of shapes. 

Question

a)
What will this shape look like if it is rotated through a half-turn (180°)?
 
oblong shape with crosses
 
Select the shape below to show your answer.


    •       (A)


    •       (B)


    •       (C)


    •       (D)

Question

b)
What will this shape look like if it is rotated through a quarter-turn (90°)?
 
square shape with dots
 
Select one shape below to show your answer.


    •           (A)


    •           (B)


    •           (C)


    •           (D)