Which of the Following Statements Regarding Oxidation-Reduction Reactions Is Correct

Multiple Choice

Which of the following statements regarding oxidation-reduction reactions is correct?

A) Oxidation-reduction reactions involve sharing electrons.
B) Oxidation can occur without reduction.
C) You can tell that a substance is oxidized if it loses electrons.
D) You can tell that a substance is reduced if its oxidation number increases.
E) None of these statements is correct.