Which answer does not correct this clause fragment?

Which is visible through a telescope.

A.
We were able to see the planet Saturn, which is visible through a telescope.

B.
We were able to see the planet Saturn; it is visible through a telescope.

C.
We were able to see the planet Saturn. Which is visible through a telescope.

D.
We were able to see the planet Saturn. It is visible through a telescope.

Question

Which answer does not correct this clause fragment? 

Which is visible through a telescope.
	
	
 
A.
	We were able to see the planet Saturn, which is visible through a telescope.
	
 
B.
	We were able to see the planet Saturn; it is visible through a telescope.
	
 
C.
	We were able to see the planet Saturn. Which is visible through a telescope.
	
 
D.
	We were able to see the planet Saturn. It is visible through a telescope.

anonymous · Answer

Which one do you think it is?

A clause fragment is incomplete and doesn't have a subject.

anonymous · Answer

The answer is C

anonymous · Answer

C because the clause fragment is starting the sentence. In D, it starts appropriately.