下列各项均为石瘿特点除了：
A．肿块坚硬如石
B．肿块高低不平
C．不随吞咽上下移动
D．多发于中年以上者
E．多发于男性
参考答案：E
The newcomer went to the library the other day and scarched for he could find about Mark Twain.
A． wherever
B． however
C．whatever
D．whichever
