Which of the following fractions are in descending order?

A

$$\frac{7}{8}, \frac{5}{7}, \frac{2}{3}, \frac{3}{5}$$

B

$$\frac{7}{8}, \frac{5}{7}, \frac{3}{5}, \frac{2}{3}$$

C

$$\frac{3}{5}, \frac{2}{3}, \frac{5}{7}, \frac{7}{8}$$

D

$$\frac{2}{3}, \frac{3}{5}, \frac{5}{7}, \frac{7}{8}$$