Match the names of glands listed under column $-I$ with the location given under column $-II$, choose the answer which gives correct combination of the alphabets of the two columns.

Column $-I$ (Glands)	Column $-II$ (Location)
$(A)$ Crypts of Lieberkuhn	$(p)$ Loop of duodenum
$(B)$ Pancreas	$(q)$ Stomach
$(C)$ Adrenal gland	$(r)$ Intestine
$(D)$ Gastric gland	$(s)$ Kidney

• A
  $A = r, B = p, C = q, D = s$
• B
  $A = r, B = p, C = s, D = q$
• C
  $A = q, B = s, C = r, D = p$
• D
  $A = p, B = r, C = s, D = q$