Answer:
C.
Explanation:
This is because the excerpt essentially states that England is ruled by a Frenchman (William the Conqueror) and continues to have French descent in the blood line of royalty and population.
The correct answer is B) because a run-on sentence is a sentence which is incorrectly punctuated. In this case, B doesn't have the right punctuation mark. Instead of a comma (,) perhaps a semicolon (;) should be used.
Its a big part of there culture.