If 90 men can do a certain job in 16 days, working 12 hours/day, then the part of that work which can be completed by 70 men in 24 days, working 8hours/dayis

A

$$\frac{2}{3}$$

B

$$\frac{7}{9}$$

C

$$\frac{1}{3}$$

D

$$\frac{5}{8}$$