单选题：A Thread Control Block (TCB) stores:

A Thread Control Block (TCB) stores: @[C](1)
A. User (owner) ID
B. Memory map
C. The machine state (registers, program counter)
D. Open file descriptors




A.User (owner) ID
B.Memory map
C.The machine state (registers, program counter)
D.Open file descriptors


答案：C