Answer:
A. Avoid strict social rules.
Explanation:
Daoism is a Chinese philosophy, founded by Lao-Tzu, which upholds the philosophy of humility and religious piety. The practices Daoism do include ensuring bodily purity, recognizing that our physical actions have affects on our spiritual being, finding harmony with nature, searching for balance in life, avoiding strict social rules, etc.
So, from the given options, the statement that correctly fills the list regarding the practices of Daoism is option A. Daoism practices does not have strict social rules.
Therefore, option A is correct.