下面图样尺寸的标注准确的是()
A.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-28/2016071717405483113.gif' />
B.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-28/2016071717405949386.gif' />
C.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-28/2016071717410456675.gif' />
D.img src='https://status.shangxueba.com/ask/shiti/2020/2020-12-28/2016071717411022770.gif' />