下列句子中，没有语病的一项是

China has been pushing the reform of public hospitals _______ all its citizens.

There _____an old tree here. I wonderhow they could manage to remove such an old tree.

th all ____talk about downsizing, I’mafraid I’ll be out of _____ job soon.

Look at this! It’s broken now! You __________ have been careful!