题目内容：
Weknowfromthepassagethat（ ）． A．theauthorlivedaloneinthedormitory
B．therewereonehundredbutterflieslivinginthebushes
C．thecardboardpaperwasleftonthestepsoastobewatched
D．theauthorfailedtostickthewornwingontothebutterflywithhisspit
参考答案：
答案解析：