The Alternate Peroxidase Stain Differs from the Regular Procedure by Using

The alternate peroxidase stain differs from the regular procedure by using the substrate __________, which results in peroxidase positive granules stained __________.

A) Benzidine dihydrochloride/red-brown
B) Benzidine dihydrochloride/black
C) 3-Amino-9-ethylcarbazole/red-brown
D) 3-Amino-9-ethylcarbazole/black
E) None of the above