Carlos wants to monitor CPU load, temperature, and voltages for his virtual machine. What should Carlos do to achieve this?
选项：

A: Carlos cannot track temperature and voltages for his virtual system, but he can track load using the underlying hardware.
B: Carlos cannot track load, but he can track temperature and voltages for his virtual system and should use the underlying hardware for the VM.
C: Carlos cannot track temperature and voltages for a virtual CPU, but he can track load via the operating system.
D: Carlos cannot track load and voltages, but he can install a thermal sensor to track his virtual machine’s temperature.