Answer:c- no sharps no flats
G major- one sharp which is F#
F major- one flat which is F b
Ab major- four flats which are Ab, Bb, Db, and Eb
Bb major- two flats which are Bb and Eb
Eb major- three flats which are Ab, Bb, and Eb
B major- five sharps which are F#, C#, G#, D#, and A#
Db major- Five flats which are Db, Eb, Gb, Ab, and Bb
Explanation: hope this helps !!