$$\left\{\frac{1}{5}, \frac{1}{7}, \frac{1}{9}\right\}, \left\{\frac{1}{11}, \frac{1}{14}, \frac{1}{17}\right\}, \left\{\frac{1}{19}, \frac{1}{23}, -----\right\}$$

A

$$\frac{1}{24}$$

B

$$\frac{1}{26}$$

C

$$\frac{1}{27}$$

D

$$\frac{1}{29}$$