The line demonstrating the use of an understatement is the following:
<em><u>BOB (still looking out—looks up): Still all right up above, though. </u></em>
Having read the previous lines, the reader gets the sense that the situation is critical, the water is rising and it has already flooded the whole lower part of the hotel. However, Bob wants to diminish the emergency of the situation by stating that the upper part still looks alright meaning that the extent of the damage is not as great as Ed says.
It is d because people couldn’t find out if it was true or not
To my mind, the correct answer is “to help the reader understand how the fuel system on a spacecraft works to help the reader understand the difficult decisions faced by Mission Control”. The aim of including a problem-solution text structure is to organize the author´s ideas in a way that helps the audience to gain understanding of the text. In addition, this device is very useful to call the attention of the audience and to make the text more appealing to them.
You must walk in the halls, not run, you can get seriously hurt. You can trip and scar up your knees, you can tumble and fall, and hit your behind. hope this helps :)
