A polling organization contacts 1446 undergraduates who attend a college and live outside the United States and asks whether or not they had taken a course in conversational English during their studies. What is the population in the study? OA. Undergraduates who attend a college and have taken a course in conversational English. OB. Undergraduates who attend a college and live outside the United States and have taken a course in conversational English. OC. Undergraduates who attend a college. OD. Undergraduates who attend a college and live outside the United States.