I think they are all good but C BESTLY describes the situation being described
You can try to put your self into a calm mode and just relax and breath Hope this helps :)
Answer:
A
Explanation:
Laws. The system of rules, or statutes made by the government of a country, state, city. Statutes are enacted by legislative body, then signed by the ranking official (President/Governor). Everyone must follow them to be legal. Regulation is an abstract concept of management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society
People learn to take better care of them selves