Rewrite sentences with the same meaning to the first one

A. Mai advised Anna not to buy any products made from wildlife skins.

B. Mai advised Anna to not buy any products made from wildlife skins.

C. Mai advised Anna not to buying any products made from wildlife skins.

D. Mai advised Anna not to have bought any products made from wildlife skins.

A. The article is about smartphones and have become excellent study tools.

B. The article is about smartphones which have become excellent study tools.

C. The article is about smartphones whose have become excellent study tools.

D. The article is about smartphones which has become excellent study tools.

A. If you not save any money, you won’t be able to buy the house.

B. If you didn’t save any money, you wouldn’t be able to buy the house.

C. If you don’t save any money, you will be able to buy the house.

D. If you don’t save any money, you won’t be able to buy the house.