$$\left\{\frac{1}{5},\frac{1}{6},\frac{1}{7}\right\},\left\{\frac{1}{8},\frac{1}{11},\frac{1}{14}\right\},\left\{\frac{1}{17},\frac{1}{22},\frac{1}{27}\right\}, .......$$

A

$$\left\{\frac{1}{29},\frac{1}{34},\frac{1}{39}\right\}$$

B

$$\left\{\frac{1}{28},\frac{1}{36},\frac{1}{43}\right\}$$

C

$$\left\{\frac{1}{32},\frac{1}{38},\frac{1}{46}\right\}$$

D

$$\left\{\frac{1}{32},\frac{1}{39},\frac{1}{46}\right\}$$