在线等!那个是陈述句?（ 这是我课后的题, Only one of these statement is true .Which one?A ,Th...

在线等!那个是陈述句?（ 这是我课后的题, Only one of these statement is true .Which one?A ,Th...
在线等!那个是陈述句?（
这是我课后的题,
Only one of these statement is true .Which one?
A ,The writer has been in australia for six months.
B,Tim is a mechanic and he is working in Australia.
C,Tim is working for an Australia firm .
D. Tim is working for a big firmas an engineer .
以我的理解 只要有主语 谓语,宾语,带句号就是陈述句!那上面的我就真不懂啦!我想知道为什么?教我一下认识陈述句的技巧!