Which of the following statements best explains why "the second of these was the more seri
公共英语
已帮助 人
Which of the following statements best explains why "the second of these was the more serious impediment" (Lines 5-6 Para. 3)？
A．Chemical knowledge was limited to a small number of people.
B．The symbolic language used was very imprecise.
C．Very few new discoveries were made by alchemists.
D．The records of the chemical processes were not based on experiments.