Katta yoshli erkak ozini yomon his etayotgani va qadam bosishda oyogin

A) avitaminoz B^ loviya, noxat, tuxum sarigi, yongoq, mol jigari
B) avitaminoz A; baliq yogi, jigar, qovoq
C) gipovitaminoz baliq yogi, tuxum sarigi sut va sut mahsulotlari
D) gipovitaminoz C; hol mevalar, kokatlar, sabzavotlar