Question #N636

What is the value of $\frac{1}{2} \times \frac{2}{3} \times \frac{3}{4} \times \frac{4}{5}$?
A. $\frac{1}{10}$
B. $\frac{1}{5}$
C. $\frac{3}{5}$
D. $\frac{7}{10}$