B it is the most reasonable answer <span />
Astronauts are found wearing orange-colored Advanced Crew Escape Suit (ACES) while the space shuttle is ascending or entering into space. This peculiar shade of orange known as “International Orange” was chosen for safety as it is highly visible against any kind of landscape, especially in the sea.
I believe it would be c: 3 because you can have the numbers -1,0,1.
