What Is the Luminosity Class of Most of the Stars

What is the luminosity class of most of the stars visible to the naked eye? Are these actually the MOST numerous stars?

A) Most visible stars are main-sequence stars; yes, they are the majority of all stars.
B) Most visible stars are main-sequence stars; but most stars are actually giants.
C) Most visible stars are giants; but most stars are actually main-sequence stars.
D) Most visible stars are giants; yes, most stars are actually giants.