Which compound will show optical isomerism?

Optical activity is the property of certain compounds containing one (or) more chiral carbon (*) atoms to rotate the plane of polarized light clock wise (or) anticlock wise. The compound is called optically active compound.option (1)   CH3−C|OH*H−CH2−CH3option (2)   CH3−C|NH2*H−CH2−CH3option (3)   CH3−C|OH*H−COOH