Which arrow points to the location of a hydrogen bond?
A. A
B. D
C. C
D. B

Answer:
The answer to your question is letter C.
Explanation:
Hydrogen bonds are a type of intermolecular force that occurs when a hydrogen atom bonded to a strongly electronegative atom (like Oxygen) is attracted by another strongly electronegative atom of the environment.
In the picture, the only bond that has these characteristics is the one label with letter C.
A and D are covalent bonds and B is not a kind of bond.