Number of molecules in one litre of water is close to

• A.  \[\frac{6.023}{23.4}\times {{10}^{23}}\]      
• B.         \[\text{18 }\times \text{ 6}.0\text{23 }\times \text{ 1}{{0}^{\text{23}}}\]
• C.  \[\frac{18}{22.4}\times {{10}^{23}}\]      
• D.         \[\text{55}.\text{5 }\times \text{ 6}.0\text{23 }\times \,\,\text{1}{{0}^{\text{23}}}\]