The enemy fled in many directions leaving its weapons on the field?

1. A Option A: The enemy fled in many directions leaving its weapons on the field.
2. B Option B: The enemy fled in many directions letting their weapons on the field.
3. C Option C: The enemy fled in many directions leaving alone there weapons on the field.
4. D Option D: The enemy fled in many directions leaving their weapons on the field.

How we write and check questions