下列各句中“之”字意义与用法不同于其他三项的是

The “Chinese Dream” is _____ dream to improve people’s well-being and _____ dream of harmony, peace and development.

You were mistaken _____ Jane，she really wanted to help you.—I admit that I mistook her offer _____a threatAnyhow，I don’t like the way she acts

He was an unselfish and _____ man who was always willing to help in any way he could. [ ]

I think you should complain, , of course, you are happy with the situation.