Please helpp! In the sentence: "And I saw their little faces pressed up against the window, and the only thing I could think was, what have we done?" What figure of speech is "the only thing I could think" and why?

Your state government is planning to stop the payment of registration fees for senior school certificate examination (ssce) students in your state. write a letter to the governor, giving at least three reasons why the state should continue with this gesture of goodwill.