Question

All these sentences use the word "so" correctly except:
Flies breathe through holes in their abdomen or thorax. So do bees.
Flies breathe through holes in their abdomen or thorax, so do bees.
Flies breathe through holes in their abdomen or thorax; so do bees.
Flies breathe through holes in their abdomen or thorax, and so do bees.

Answer 1

Im pretty sure its A.

Answer 2

Thank you I was thinking A too.

Answer 3

No problem :)