In the following reaction the value of ?X? is \[_{7}{{N}^{14}}{{+}_{2}}H{{e}^{4}}\,\to \,X{{+}_{1}}{{H}^{1}}\] [DPMT 1999; CPMT 2003]

• A. \[_{8}{{N}^{17}}\]
• B. \[_{8}{{O}^{17}}\]
• C. \[_{7}{{O}^{16}}\]
• D. \[_{7}{{N}^{16}}\]