题目

When I was 17 years old, I left my comfortable home in a wealthy Midwestern suburb to live as a foreign exchange student in a lower-middle-class neighborhood in a foreign country. I 21 in an apartment with no elevators, no dishwashers and one washer for 300  22 .The tile(瓷砖)floors were always  23 and the rainy winter days there seemed endless. I    24 to wash my clothes by hand in the bathtub and    25 water was so costly, I trained myself to    26 my waist-length hair in less than five minutes. At that time there were no cell phones and the Internet didn’t exist. So—You looked unhappy. What’s wrong?—I ________ my PE exam again last week.A．failed B．beatC．lostD．won