A common movement found in many Mizo folk dances is:

The correct answer is: c) Swaying and graceful hand gestures.

Mizo folk dances are characterized by their graceful hand gestures and swaying movements. The dancers often hold hands and move in a circle, while their hands move in intricate patterns. The dances are often accompanied by singing and music, and they can be very lively and energetic.

Here is a brief explanation of each option:

• a) Leaping and jumping are not common movements in Mizo folk dances. These movements are more common in dances from other cultures, such as African dances.
• b) Twirling and spinning are also not common movements in Mizo folk dances. These movements can be seen in some dances, but they are not as common as swaying and graceful hand gestures.
• d) Complex footwork patterns are not common movements in Mizo folk dances. These movements are more common in dances from other cultures, such as Indian dances.

I hope this helps!