In an anaerobic condition, yeast cells breakdown glucose to

• A.  \[C{{O}_{2}}+{{H}_{2}}O\]              
• B.  \[{{C}_{2}}{{H}_{5}}OH\]and \[C{{O}_{2}}\]  
• C.  \[C{{O}_{2}}\] + Lactic acid   
• D.  \[C{{O}_{2}}\]+ Pyruvic acid