$$\triangle ABC$$ is a right angled triangle, $$\angle C = 90$$ degree, AB = 25 cm and BC = 20 cm. What is the value of $$\sec A$$?

A

$$\frac{5}{3}$$

B

$$\frac{4}{5}$$

C

$$\frac{4}{3}$$

D

$$\frac{5}{4}$$