\[\large \dfrac{1}{4} + \dfrac{3}{4 \cdot 4} + \dfrac{3 \cdot 5}{4 \cdot 4 \cdot 8} + \dfrac{3 \cdot 5 \cdot 7 }{4 \cdot 4 \cdot 8 \cdot 12 } + \cdots = \, \]

**A.**\(\quad 2 \)**B.**\(\quad \dfrac{1}{\sqrt{2}} \)**C.**\(\quad \dfrac{1}{2} \)**D.**\(\quad \dfrac{\sqrt{2}}{2} \)**E.**\(\quad \dfrac{4}{2} \)**F.**\(\quad \dfrac{2}{4} \)

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