Choose the correct answer

Give the reduced form of [tex]\[(\frac{{10}}{{2a{b^2}}})(\frac{{{a^2}{b^2}}}{5})\][/tex]
B. b
C. 2
D. 5
[tex]\[\begin{array}{l}(\frac{{10}}{{2a{b^2}}})(\frac{{{a^2}{b^2}}}{5})\\\\ = \frac{{10{a^2}{b^2}}}{{10a{b^2}}}\\\\ = a\end{array}\][/tex]