Although it was old and needed a lot of work, carla knew this was the house for her. 15. in this sentence, what is the antecedent of the pronoun it? a. house b. carla c. work d. her

It cannot stand for her for the same reason that it cannot stand for Carla.

We can try house and work .

Let us try work and put it in the clause.

"Although work was old and needed a lot of work..."
(makes no sense)

Let us try house and put it in the clause.

"Although house was old and needed a lot of work..."
(hmmm. has more sense)

The second clause "Carla knew this was the house for her" reinforces that substitution.

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,