Select all that apply.

Which of the following sentences follow the rules of coordination and subordination?

As Clark Kent, he spends his time writing for the Daily Planet; then, as Superman, he spends his
time saving humanity.

As Clark Kent, he spends his time writing for the Daily Planet, and as Superman, he spends his
time saving humanity.

As Clark Kent, he spends his time writing for the Daily Planet, however, as Superman, he
spends his time saving humanity.

As Clark Kent, he spends his time writing for the Daily Planet but, as Superman, he spends his
time saving humanity.