Which of the Following Reactions Is an Example of K-Electron ${ }_{73}^{183} \mathrm{Ta} \rightarrow{ }_{74}^{183} \mathrm{~W}+{ }_{-1}^{0} e$

Which of the following reactions is an example of K-electron capture?

A) ${ }_{73}^{183} \mathrm{Ta} \rightarrow{ }_{74}^{183} \mathrm{~W}+{ }_{-1}^{0} e$
B) ${ }_{20}^{41} \mathrm{Ca}+{ }_{-1}^{0} e \rightarrow{ }_{19}^{41} \mathrm{~K}$
C) ${ }_{26}^{58} \mathrm{Fe}+{ }_{0}^{1} n \rightarrow{ }_{26}^{59} \mathrm{Fe}$
D) ${ }_{84}^{197} \mathrm{Po} \rightarrow{ }_{82}^{193} \mathrm{~Pb}+{ }_{2}^{4} \mathrm{He}$
E) ${ }_{3}^{7} \mathrm{Li}+{ }_{1}^{1} p \rightarrow 2{ }_{2}^{4} \mathrm{He}$