The given sentence has been broken up into four different parts. The error, if any, will be in one or more parts of the sentence. Select the option that contains the part of the sentence which is free from an error. If all are incorrect choose ‘Option 5’ as your answer.

Because Sam parked the car while (A) in the no-parking zone, (B) therefore, he was given a ticket (C) by the officer-in-charge. (D)