What does this command mean? subl $0x11, %eax) Select one: a. Mem[Reg[eax]] = Mem[Reg[eax]] - 17 b. Reg[eax] = 11 - Mem[Reg[eax]] C. Regeax] = Regeax] - 11 d. Mem[Reg[eax]] = Reg[eax] - 17