Select the option that represents the letters that, when sequentially placed from left to right in the blanks, will complete the letter series. g _ c _ p _ c _ b c _ p s _ g _ c p _ s c |
b p s p p s b p b p c g p s b p b p s g p c b p b p s p g c b p |
b p s g p c b p |
g b c p p s c / g b c p p s c / g b c p p s c b p s g p c b p |