The binding energy per nucleon E Vs nuclear mass (M) for different nuclei is given below. In which case energy is released?

 

• A

  $X+Y\underset{ }{\to T}$

• B

  $T\underset{ }{\to }X + Y$

• C

  $Q\underset{ }{\to T+L}$

• D

  both $\left(1\right) and \left(3\right)$