The value of \(\smallint \frac{{dx}}{{\sqrt x \left( {1 + \sqrt x } \right)}}\) = ?

• A. 2 log (1 + √x) + c
• B. 2 log (1 - √x) + c
• C. log (1 - √x) + c
• D. \(2\sqrt x + 4{x^{1/4}} + \log \left| {{x^{1/4}} + 1} \right| + c\)