Hannibal Lecter, an infamous serial killer, is attempting to use H2O2 to remove pesky blood stains of his latest victim from his 100% cashmere scarf and for disinfection purposes. Why is it taking him so long to disinfect his scarf?

a. H2O2 is not a good disinfection agent.

b. This type of disinfection procedure is best completed at colder temperatures.

c. Blood is an example of organic load that can inhibit the process of disinfection.

d. The organisms on his scarf are resistant to H2O2.