What feature do plants have that provide structure and form?

A.
Plants have an exoskeleton, like insects.

B.
Plants have an internal skeleton of bones.

C.
Plants have rigid tubes made of cellulose.

D.
Plants have an external covering that keeps them upright.

Question

What feature do plants have that provide structure and form?	
 
 A.
Plants have an exoskeleton, like insects.
 
 B.
Plants have an internal skeleton of bones.
 
 C.
Plants have rigid tubes made of cellulose.
 
 D.
Plants have an external covering that keeps them upright.

anonymous · Answer

These options are funny :P
Plants have exoskeleton
Plants have internal skeleton of bones :D

Only one option seems correct!
And I'm sure you know which one is it..:3