\(\lim _{n \rightarrow \infty} \frac{\sqrt{n}}{\sqrt{\left(n^{3}\right)}}+\frac{\sqrt{n}}{\sqrt{(n+4)^{3}}}+\frac{\sqrt{n}}{\sqrt{(n+8)^{3}}}+\cdots \cdots+\frac{\sqrt{n}}{\sqrt{[n+4(n-1)]^{3}}}\) is
(A) \(\frac{5-\sqrt{5}}{10}\)
(B) \(\frac{5+\sqrt{5}}{10}\)
(C) \(\frac{2+\sqrt{3}}{2}\)
(D) \(\frac{2-\sqrt{3}}{2}\)