Read the sentence
The movie was excellent, therefore I want to see it again. 
What is the correct way to write this sentence? 
A.) The movie was excellent, therefore, I want to see it again. 
B.) The movie was excellent, therefore; I want to see it again. 
C.) The movie was excellent; therefore, I want to see it again. 
D.) The movie was excellent therefore; I want to see it again.