一、阅读理解（共4小题；每小题8分，满分26分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑．
21．Parents'meetings may be your worst nightmare （噩梦）．However，that's not always the case．The parents'meeting we had after our mid﹣term examinations，for instance，couldn't have been more surprising．
Sitting in our chairs next to our parents，we felt like we were on pins and needles，expecting a final outburst when they examined our grades and rankings．However，our teacher came to our rescue．He told our parents the stress we faced in our daily school lives and how hard we had worked for the college entrance examination．
