How many electrons does it take to make one coulomb of negative charge?

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A $,1\mathrm{.}00{10}^9$

B $,6\mathrm{.}24{10}^{18}$

C $,6\mathrm{.}02{10}^{23}$

D $,1\mathrm{.}66{10}^{18}$

E $,2\mathrm{.}24{10}^4$