Select the correct passive form of the given sentence.
A herd of wild goats invaded a deserted town in Wales during the lockdown.
1
A herd of wild goats in Wales was invaded by a deserted town during the lockdown.
2
A deserted town in Wales was invaded by a herd of wild goats during the lockdown.
3
A deserted town in Wales is being invaded by a herd of wild goats during the lockdown.
4
A deserted town in Wales has been invaded by a herd of wild goats during the lockdown.