Which of the following is a simple sentence? A. Karen and David arrived at the airport at 3:35 P.M. and took a taxi to their hotel. B. I got to the airport late because the traffic was so terrible. C.

Which of the following is a simple sentence? A. Karen and David arrived at the airport at 3:35 P.M. and took a taxi to their hotel. B. I got to the airport late because the traffic was so terrible. C. When I realized I was too late, I called David's cell phone and made arrangements to meet them in town. D. I went to the airport, but I was too late to meet them