下列有关动物生殖发育的叙述，不正确的是（ ）

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案．

Dear Tony,

    I'm glad to1you．Now let me tell you something about my2life．I was born in3village．It was not big but4was beautiful and clean．There5a big garden．Near the garden was my first school，6I walked to school.My first teacher was7 and nice,but she was also8us.My best friends are Wang Mai and Li Dong.Wang Mai was good at all9and he was the top pupil(尖子学生)．Li Dong was good at football and he was a member of our school football team．

    I am looking forward to going back to my school and 10 my teachers and friends．

Yours，

Du Ming

如图所示，电源是两节普通1号干电池串联组成，电池组内阻约为0.2Ω，D是额定电压为2.5V、额定电流为0.3A的手电筒用的小灯泡，L是电阻约为1Ω左右自感线系数很大的线圈，闭合开关s，看到的现象是（   ）

— Are you a vet?

— ___________.