10 boxes are placed at equal intervals on a pallet consisting of two semicircles and two parallel line segments, moving in the direction of the arrow, as shown in the figure.
According to this, when the boxes at points A and E are first vertically aligned, where will the box at point K be?
A) Between points A and B
B) At point B
C) Between points B and C
D) At point C
E) Between points C and D