Cations have loaned out electrons and so have a:

A) Positive charge
B) Negative charge
C) Neutral charge

Cations

Positively charged atoms.

Electrons

Subatomic particles with a negative charge, orbiting the nucleus of an atom and involved in chemical bonding and electricity.

Positive Charge

A type of electric charge, typically carried by protons, that repels other positively charged particles and attracts negatively charged particles.