Answer:
One detail in support of the argument against requiring community service is that it's time consuming. High schoolers are busy enough with their homework, studies and social life, let alone worry about doing community service in order to graduate.
A baking soda, which is used to help baked goods rise during baking is an example of a direct additive. One of the four major purposes of direct additives is to aid in the processing and preparation of food, where baking soda belongs. These leavening is used to preserve the desirable condition of foods.
Answer: C. His reputation for clever dealing betrays him when he tells the truth.
The statement in letter c shows irony because it presents contrasting events. Mr. Hauchecorne is a clever person however the irony strikes on him when nobody believes him and makes fun of his cleverness when he said the truth about the string.