Match List $I$ with List $II$ :

List $I$	List $II$
$A$. Attenuation	$I$. Combination of a receiver and transmitter.
$B$. Transducer	$II$. Process of retrieval of information from the carrier wave at receiver.
$C$. Demodulation	$III$. Converts one form of energy into another.
$D$. Repeater	$IV$. Loss of strength of a signal while propagating through a medium.

Choose the correct answer from the options given below:

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