Answer: Option (d) is the correct answer.
Step-by-step explanation:
Metals are the elements which have excess of electrons. Thus, in order to become stable, they readily lose electrons. Hence, they attain positive charge and become cation.
Whereas non-metals are the elements which have deficiency of electrons. Thus, in order to gain stability, they readily accept or share electrons. As a result, they attain negative charge and become anion.
Therefore, we can conclude that the statement, metals lose electrons to become cations is a true statement.