To answer this question, let's go through each option to understand why it is correct or incorrect:
Option A) Taxol is poisonous when taken by healthy people - This option is incorrect. The passage only mentions that the fruit of the Pacific yew is poisonous, not taxol itself.
Option B) Taxol has cured people from various diseases - This option is incorrect. The passage does not provide any information about the effectiveness of taxol in curing diseases.
Option C) People should not eat the fruit of the Pacific yew - This option is correct. The passage states that the fruit of the Pacific yew is fleshy and poisonous. Therefore, it is advised that people should not eat the fruit.
Option D) The Pacific yew was considered worthless until taxol was discovered - This option is incorrect. The passage does not provide any information about the value or worth of the Pacific yew before taxol was discovered.
The correct answer is C. This option is correct because the passage explicitly states that the fruit of the Pacific yew is poisonous, indicating that people should not eat it.