Answer:
![\boxed{\text{donate electrons}}](https://img.qammunity.org/2020/formulas/chemistry/middle-school/tyh42vt2cyr0h39quz0ns0psezgtxfuikm.png)
Step-by-step explanation:
An atom with one to three valence electrons would have to gain seven to five valence electrons, respectively to get a stable octet.
It is easier for it to donate electrons and expose the stable octet of electrons in the shell below..
(A) is wrong. You can't move electrons to a lower shell, because it's already full.
(B) is wrong. The atom will donate electrons.
(C) is wrong. Moving electrons to a higher shell will make the atom more unstable.