What is the value of \dfrac{\left(1+\dfrac{1}{3}\right)\left(1+\dfrac{1}{5}\right)\left(1+\dfrac{1}{7}\right)}{\sqrt{\left(1-\dfrac{1}{3^{2}}\right)\left(1-\dfrac{1}{5^{2}}\right)\left(1-\dfrac{1}{7^{2}}\right)}} ?
Answer Choices
A. \sqrt{3}
B. 2
C. \sqrt{15}
D. 4
E. \sqrt{105}