Witch two types of clouds indicate fair weather? a cirrus and cumulus. b cirrus and stratus. c cumulus and stratus. d cumulus and nimbostratus

By watching the movement of cirrus clouds you can tell from which direction weather is approaching. When you see cirrus clouds, it usually indicates that a change in the weather will occur within 24 hours. Cirrostratus clouds are thin, sheetlike high clouds that often cover the entire sky

it is either c or d and i know for sure it is not a or b