ALTHOUGH THE TRAFFIC WAS BAD YESTERDAY, I ARRIVED AT THE MEETING ON TIME

34. Although the traffic was bad yesterday, I arrived at the meeting on time.

A. So the traffic was bad yesterday, I arrived at the meeting on time.

B. Because the traffic was bad yesterday, I arrived at the meeting on time.

C. Since the traffic was bad yesterday, I arrived at the meeting on time.

D. Though the traffic was bad yesterday, I arrived at the meeting on time.