
Passage: In a Chinese medicine preparation, there must be at least one kind of ginseng or Codonopsis pilosula, and the following conditions must be met: 1) if there is Codonopsis pilosula, there must be Atractylodes macrocephala. 2) there can be at most one kind of Atractylodes macrocephala and ginseng. 3) if there is ginseng, there must be Polygonum multiflorum.4) if there is Polygonum multiflorum, there must be Atractylodes macrocephala.
Question: According to the above statement, which of the followings can be inferred about the Chinese medicine preparation?
A. A.There is no Codonopsis pilosula
B. B.There is no Polygonum multiflorum
C. C.There is Atractylodes macrocephala
D. D.There is no Atractylodes macrocephala
Answer: