The content of femoral triangle from medial to lateral is
A.
femoral vein, femoral nerve, obturator nerve, femoral artery
B.
femoral vein, femoral artery, femoral nerve
C.
femoral artery, femoral vein, femoral nerve
D.
obturator nerve, femoral nerve, femoral vein, femoral artery
E.
femoral nerve, obturator nerve, femoral artery, femoral vein