Which answer corrects the shift in verb tense in the sentence?

matt saw the lost cat, and he looks for its owner.

a.
matt has seen the lost cat, and he looks for its owner.

b.
matt saw the lost cat, and he had looked for its owner.

c.
matt will see the lost cat, and he looks for its owner.

d.
matt saw the lost cat, and he looked for its owner.