A system has four processes and five allocatable resources. The current allocation and maximum needs are as follows: Allocated Maximum Available Process A 1 0 2 1 1 1 1 2 1 3 0 0 x 1 1 Process B 2 0 1 1 0 2 2 2 1 0 Process C 1 1 0 1 0 2 1 3 1 0 Process D 1 1 1 1 0 1 1 2 2 1 The smallest value of x for which the above system in safe state is __________. (A) 1 (B) 3 (C) 2 (D) Not safe for any value of x.