高等继续教育 / 电子商务英语
正确率：100%
题型描述: 单选题
I ＿＿＿＿＿＿ a doctor now, if I had studied medical science in my youth.
A.had been
B.were
C.should be
D.should have been
I ＿＿＿＿＿＿ a doctor now, if I had studied medical science in my youth.
A.had been
B.were
C.should be
D.should have been
参考答案：