I ------ in the house which ------ books and magazines.A．am

I ______ in the house which ______ books and magazines.A．am used to live；used to keepiI ______ in the house which ______ books and magazines.A．am used to live；used to keepingB．used to live；has been used to keepingC．have been used to living；is used to keepD．was used to live；is used to keep