Which of the Following Is True About the Ability of a Member

Which of the following is true about the ability of a member of an LLC to bind a member-managed LLC to a contract?

A) Members of the LLC have authority to bind the LLC,and this authority cannot be taken away.
B) Members of the LLC have authority to bind the LLC to contracts only if this authority is granted in the operating agreement.
C) Members of the LLC have authority to bind the LLC,and if this authority is restricted by agreement,then it will terminate any risk of the member binding the LLC to a contract.
D) Members of the LLC have authority to bind the LLC,and if this authority is restricted by agreement,there remains a risk that the member retains apparent authority to bind the LLC unless appropriate steps are taken.