Is the example a complete sentence, sentence fragment, or run-on sentence?

The rain sprinkled heavily on the crops, they needed it.

A.
sentence fragment

B.
run-on sentence

C.
complete sentence

Question

Is the example a complete sentence, sentence fragment, or run-on sentence? 

The rain sprinkled heavily on the crops, they needed it.
 
 A.
sentence fragment
 
 B.
run-on sentence
 
 C.
complete sentence

anonymous · Answer

complete sentence

king.void. · Answer

The rain sprinkled heavily on the crops, they needed it. This is a: B. run-on sentence.

anonymous · Answer

No I don't think so because the part were it says "they needed it" sounds quite out of place

anonymous · Answer

^ exactly what I was thinking but that was kinda direct @King.Void.  :(

king.void. · Answer

._.