A projectile is thrown with velocity u making angle $\theta$ with vertical. It just crosses the tops of two poles each of height h after 1 second respectively. The maximum height of projectile is

Question

$\begin{array}{1 1}(A)\;9.8 \;m\\(B)\;19.6\;m \\(C)\;39.2\;m\\(D)\;4.9 \;m \end{array}$