Concept:A partner who manages the firm and is personally liable for its debts is called a general partner.Explanation:A general partner actively participates in the daily management of the firm.Such a partner has unlimited personal liability for the debts and obligations of the firm.Sleeping, quasi, and limited partners do not take part in management or carry full personal responsibility for debts.Therefore, the partner described in the question is a general partner.Answer:A. general partner