Read the following statement having two blanks (A and B). 

The JGA is a special sensitive region formed by cellular modifications in the __(A)__ and the __(B)__ at the location of their contact.

The one correct option for the two blanks is

• A

  A - Loop of Henle ; B - DCT

• B

  A - DCT ; B - Afferent arteriole

• C

  A - Peritubular capillaries ; B -Vasa recta

• D

  A - PCT ; B - Efferent arteriole