Hey there!
Here is your answer:
The proper answer to this question is option B "Chemistry".
Reason:
Chemistry is involved with Criminology especially when dealing with drugs, chemicals found in the victims body, blood, hair, fingerprints, etc... Criminology is forensic science which makes it deal with alot of strange chemicals that involves test that would tell the police what type, and kind of drug that substance is....
Therefore the answer is option B.
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit