Match the List-$I$ with List-$II$:

List-$I$	List-$II$
$A$. Microwaves	$I$. Radioactive decay of the nucleus
$B$. Gamma rays	$II$. Rapid acceleration and deceleration of electrons in aerials
$C$. Radio waves	$III$. Inner shell electrons
$D$. $X$-rays	$IV$. Klystron valve

Choose the correct answer from the options given below:

• A
  $A-I, B-II, C-III, D-IV$
• B
  $A-IV, B-I, C-II, D-III$
• C
  $A-I, B-III, C-IV, D-II$
• D
  $A-IV, B-III, C-II, D-I$