It can be inferred that had South Carolina not cast any electoral votes for Jefferson, the outcome of the 1796 election would have been a ______.

A．a more advanced civilization will destroy us if they visit us at present
B．the original inhabitants of America were better off because of Columbus' visit
C．being visited by a more advanced civilization will do us good
D．we wouldn' t be better off even though we were visited by the beings from outer space at present

A．it is impossible that we encounter some alien form of life
B．life only exists on Earth
C．it is likely that we'll encounter some alien form of life
D．beings from outer space will never visit the earth