Which word means "the quality of being shy"? a) shiest. b) shyly. c) shier. d). shyness

Shiest abd shyly are probably not even words. The best answer I would choose is d. Shyness
ness mean the quality of being -

Well the "quality of being shy" implies that the person is just naturally shy so when that's put, you have to make it a verb so when you do that, it is physically describing the person so i would think that it would be shyness because shyness is implying that the person is just a naturally shy person.