Correct option is D
Step-by-Step Arrangement:
Legalist (5): Starts with "Legal", so it comes first.
Legendary (4): Starts with "Legen", which comes after "Legal".
Legerity (1): Starts with "Legeri", which comes after "Legen".
Legging (6): Starts with "Leggi", which comes after "Legeri".
Legislation (3): Starts with "Legis", which comes after "Leggi".
Legitimate (2): Starts with "Legiti", which comes after "Legis".
Now, based on this order, the correct sequence is 5, 4, 1, 6, 3, 2
Correct answer is option (d).