![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Which of the following about the coats of the eyeball is not right?
A.
The sclera is opaque and white in color
B.
the vascular coat contains blood vessels
C.
the vascular coat contains pigment cells
D.
Pupil is an opening in the middle of centre of choroid layer
E.
The ciliary muscles are involuntary