In which of the following does Lincoln employ parallel structure to emphasize a point by making it more memorable?

a) "At this second appearing to take the oath of the presidential office, there is less occasion for an extended address than there was at the first."
b) "The Almighty has His own purposes. ‘Woe unto the world because of offences! for it must needs be that offences come; but woe to that man by whom the offence cometh!'"
c) "all thoughts were anxiously directed to an impending civil-war. All dreaded it -- all sought to avert it."

Question

In which of the following does Lincoln employ parallel structure to emphasize a point by making it more memorable?
 	
a) "At this second appearing to take the oath of the presidential office, there is less occasion for an extended address than there was at the first."
b) "The Almighty has His own purposes. ‘Woe unto the world because of offences! for it must needs be that offences come; but woe to that man by whom the offence cometh!'"
c) "all thoughts were anxiously directed to an impending civil-war. All dreaded it -- all sought to avert it."