请列出洗脸的活动成分。
参考答案：答：洗脸的活动成分为：①打开水龙头；②冲洗毛巾；③关上水龙头；④拧干毛巾；⑤擦脸。
I have tried to solve the problem, but it is so difficult that it ______ not only me but also my friend. [ ]
A. attracts
B. handles
C. defeats
D. injures
C语言中可以把一个字符串赋给一个字符变量。
