In which sentence is the singular possessive of tree formed correctly?

A.
I watched a trees branches sway in the wind.

B.
I watched a tree's branches sway in the wind.

C.
I watched a trees' branches sway in the wind.

D.
I watched a trees's branches sway in the wind.

Question

In which sentence is the singular possessive of tree formed correctly?
 
 A.
I watched a trees branches sway in the wind.
 
 B.
I watched a tree's branches sway in the wind.
 
 C.
I watched a trees' branches sway in the wind.
 
 D.
I watched a trees's branches sway in the wind.

anonymous · Answer

what do you think the answer is?

anonymous · Answer

B?

anonymous · Answer

That is correct :)

anonymous · Answer

yeah what he said^^ thanks for letting me answer her cole -.- lol im jk