If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. If a new process D requested 30 shares, the admission controller would :

• A. allocate 30 shares to it
• B. deny entry to D in the system
• C. all of the mentioned
• D. none of the mentioned