Identify the sentence which contains a subordinating connection. A. after a brief stop at the rest area, we contributed our drive on the interstate.
B. although the stop was short, we were thankful for time to stretch our legs during a quick walk around the park.
C. The rest stop has an area for picnic tables, and we decided that next time we would bring a picnic lunch for our return trip
D. as a result we bought a cooler and made sandwiches for our trip back home