This question places G fifth. We know that G is part of this ordering rule: L – F – GK
So, we must put K sixth (rule 2):

Who can go last? Not L or F: they’re before GK. Not M: they’re before J. So only H and J can go last. Let’s try drawing both. We’ll start with H last:

Who is left to place? M – J and L – F:

This seems to work. We can place these in any order as long as we obey the two ordering rules, and don’t place L second.
What about J last? Let’s try that:

Who is left? H and M, and L – F. H and M must be at least two spaces apart (rule 1), so we have to place them in 1 and 4, in either order:

Only L – F are left. But this doesn’t work, because it would force L second! So J can’t be last.
Therefore, H must be last. B is CORRECT.

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