$STATEMENT-1$: Band gap in germanium is small.
$STATEMENT-2$: The energy spread of each germanium atomic energy level is infinitesimally small.

• A
  $Statement-1$ is True,$Statement-2$ is True; $Statement-2$ is a correct explanation for $Statement-1$
• B
  $Statement-1$ is True,$Statement-2$ is True; $Statement-2$ is $NOT$ a correct explanation for $Statement-1$
• C
  $Statement-1$ is True,$Statement-2$ is False
• D
  $Statement-1$ is False,$Statement-2$ is True