JEE Math Practice Question

$$\mathop {\lim }\limits_{n \to \infty } \left( {{{{{(n + 1)}^{1/3}}} \over {{n^{4/3}}}} + {{{{(n + 2)}^{1/3}}} \over {{n^{4/3}}}} + ....... + {{{{(2n)}^{1/3}}} \over {{n^{4/3}}}}} \right)$$ is equal to :

1. A.$${4 \over 3}{\left( 2 \right)^{3/4}}$$
2. B.$${3 \over 4}{\left( 2 \right)^{4/3}} - {3 \over 4}$$
3. C.$${4 \over 3}{\left( 2 \right)^{4/3}}$$
4. D.$${3 \over 4}{\left( 2 \right)^{4/3}} - {4 \over 3}$$