The author gives a clearly biased opinion on the value of school students wearing uniforms and develops her argument logically giving the pros and cons of using uniforms The author says the students "will have more time to devote to studies" if not worrying about clothes,"be more focussed on learning and less on appearance" , "up front costs" and in the long term saving on money and "encouraging a greater sense of community" .
The answer is <span>C. I worked from dawn until dusk.</span>
This sentence use a time reference to convey a serious tone. The time reference from dawn until dusk has the meaning that the speakers has been working really really hard recently and to the point of sacrificing other aspects of the speaker's life.
