After the tornado, the trees in all the yards were knocked down.
OA. houses
OB. house
OC. house's
OD.
houses

I think the answer is C.

It would really be the only thing that makes sense in the context of the statement whereas it is stating it like it belongs to the house (which it does since it's part of the property).

-Ɽ3₮Ɽ0 Ⱬ3Ɽ0

A houses

Explanation:

After the tornado, the trees in all the houses

yards were knocked down.

its everything except for telling nonfiction and using first person

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,