Driving in thick fog, you turn on the low beam and the fog lights. Is this correct?

Driving in thick fog, you turn on the low beam and the fog lights. Is this correct?
A)No, because you must turn on the high beam lights.
B)No, because front fog lights must be used without the low beam.
C)Yes.Correct
FRONT FOG LIGHT:
- Its installation and use is NOT mandatory.
- It shall be white or selective yellow in colour.
- It shall be used, voluntarily, in the case of fog, heavy rain, snowfall, clouds of smoke or dust, or in circumstances similar to the above.
- It may also be used on narrow roads with many bends, that is, those with a carriageway width of 6.5 m or less, signposted with "dangerous bends" signs.
REAR FOG LIGHT:
- Its installation and use is mandatory.
- It shall be red in colour.
- It shall be used, mandatorily, in the case of THICK fog, VERY heavy rain, HEAVY snowfall, or DENSE clouds of smoke or dust.
The front fog lighting, during the day, may be switched on with only the sidelights, but may also be used together with the low or high beam. At night, it shall be used at minimum with the low beam.
The rear fog lighting, during the day, shall be used at minimum together with the front fog light or the low beam. At night, at minimum with the low beam.