关于炎症的叙述，下列正确的是（）。

A.炎症反应均对机体有利

B.炎症是一种防御反应

C.任何有机体均可发生炎症

D.损伤必然导致炎症

E.理化因素是最重要的致炎因子

What is the nurse's most important role in caring for a client with a mental health disorder

A．To offer advice.

B．To know how to solve the client's problems.

C．To establish trust and rapport.

D．To set limits with the client.