Choose the best example of parallelism below.

a
“We hold these truths to be self-evident: that all men are created equal . . .”
b
“A prince whose character is thus marked by every act which may define a tyrant is unfit to be the ruler of a free people.”
c
“. . . we mutually pledge to each other our lives, our fortunes, and our sacred honor.”
d
“Prudence, indeed, will dictate that governments long established should not be changed for light and transient causes . . .”