Which of the following is a characteristic of a matrix organization?

A、Itconformstotheunityofcommandprinciple.
B、Itconsistsofoutsidespecialistswhoaretemporarilyhiredtoworkonprojects.
C、Ithasformaldepartmentstowhichemployeesreturnaftercompletingaproject.
D、Itisfreeofbothinternalandexternalboundaries.