>>12013783let's associate each pattern thing with a number:
- crosshatched = 1
- parallel lines directed away from center = 2
- nothing = 3
- radial lines = 4
- solid = 5
- parallel lines disjoint from the center = 6
the least retarded order to assume is counter clockwise
1-2-3
2-4-3
2-3-5
3-4-5
3-5-6
5-4-6
now we can maybe we some of a pattern, perhaps look at the movement of the 5s and 3s as the series progresses
actually i'm noticing now, based on how none of the answers seem to follow any noticeable pattern with the counter clockwise order, it is probably clockwise, which makes sense. noting the movements of the 4s, the 3s, and the 5s, we can predict that the element preceeding these in the series is 1-4-2
1-4-2
1-2-3
2-4-3
2-3-5
3-4-5
3-5-6
5-4-6
which is number 5.