A:To found
B:Founding
C:Founded
D:Having founded
After Steven sent some e-mails ,he______ surfing the Internet.
所有的奇数都是质数.
小娟因为别人说了一句“你怎么这么胖”,就觉得自己难看,想尽办法节食,以至得了厌食症,身体极度虚弱,不得不休学。这说明,该同学具有( )