San Franciscans of the 1890s mocked the claim that declared Los Angeles a world city, yet within twenty years a powerful muncipal had made this boast a reality

(A) yet within twenty years a powerful muncipal had made this boast a reality
(B) yet within twenty years a powerful municipal made this boast a reality
(C) yet a powerful municipal within twenty years will make this boast a reality
(D) yet this boast had become a reality within twenty years because of a powerful will municipally
(E) yet withinh twenty years a municipal will had made this boast a powerful reality