Evaluate $\int _ { C } \frac { 1 } { 1 + x } d s$

Multiple Choice

Evaluate $\int _ { C } \frac { 1 } { 1 + x } d s$ where the curve $C$ is given by $x = t , y = \frac { 2 } { 3 } t ^ { \frac { 3 } { 2 } } , 0 \leq t \leq 3$ .

A) $3$
B) $2$
C) $6$
D) 9
E) $36$
F) $12$
G) $4$
H) $0$