How Many Electrons Are Necessary to Produce $1.0 \mathrm { C }$

How many electrons are necessary to produce $1.0 \mathrm { C }$ of negative charge? $\left( e = 1.60 \times 10 ^ { - 19 } \mathrm { C } \right)$

A) $1.6 \times 10 ^ { 9 }$
B) $1.6 \times 10 ^ { 19 }$
C) $6.3 \times 10 ^ { 9 }$
D) $6.3 \times 10 ^ { 18 }$
E) $6.0 \times 10^{23}$