A:16000个和1800个
B:16000个和3600个
C:8000个和1800个
D:8000个和3600个
—Mrs. Black, I'm afraid that I'll fail the exam.
—________, dear! Take it easy. I'm sure you'll pass it.
史实与推论:科学全面地解读历史史实,可以得出正确的历史推论。请对下面表格中的推论作出判断