Choose the correct statement.
I. Lactic acid bacteria form Vitamin ${\mathrm{B}}_{12}$
II. The acids produced by LAB digest the milk protein partially
III. LAB check the growth of disease-causing bacteria in our stomach.
IV. Idli and dosa dough are fermented by yeasts.

• A

  I, II

• B

  III, IV

• C

  I, II, III

• D

  I, II, III, IV