What are the characteristics of fully distributed approach ?i) When responses are received from all processes, then process can enter its Critical Sectionii) When process exits its critical section, the process sends reply messages to all its deferred requests.iii) It requires request,reply and release per critical section entryiv) One processor as coordinator which handles all requests

• A. i
• B. i and ii
• C. ii and iii
• D. iii and iv