Answer:
It is widely believed that Buddhism entered China via the Silk Road under the Han Dynasty. After trade and travel was established with the Yuezhi, who by that time were forced southward toward India, Yuezhi monks began to travel with the merchant caravans; preaching their religion along the Silk Road.
Explanation:
i got this from google
Your answer is yeast, since it is a single celled organism that can be classified into a subkingdom related to sac fungi.
I believe the answer is A.
