题目内容:
A.proberequest/response,authenticationrequest/response,associationrequest/response
B.associationrequest/response,authenticationrequest/response,proberequest/response
C.proberequest/response,associationrequest/response,authenticationrequest/response
D.associationrequest/response,proberequest/response,authenticationrequest/response
参考答案: