[单选题] 提问人:匿名网友 提问时间:2021-08-24

Which of the following statements best explains why “the second of these was the more serious impediment”(line 22)?


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.

提问人:匿名网友 提问时间:2021-08-24

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