问题详情

Much research has been done on interviews in general ______.
A．so the training of journalistic interviewers has likewise been strengthened
B．though the study of the interviewing techniques hasn"t received much attention
C．but journalistic interviewing as a specific field has unfortunately been neglected
D．and there has also been a dramatic growth in the study of journalistic interviewing请帮忙给出正确答案和分析，谢谢！