This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Strongest bond out of the following is : 
Select and explain. 
A. Electrostatic, B. Hydrogen, C. Hydrophobic, D. Vanderwall's
A: Electrostatic
Answer: A: Electrostatic 
Explanation: A i.e. Electrostatic