Acid strength increases in the order of _____________

• A. HF ≪ HCl ≪ HBr ≪ HI
• B. HF ≪ HBr ≪ HCl ≪ HI
• C. HI ≪ HCl ≪ HBr ≪ HF
• D. HCl ≪ HF ≪ HBr ≪ HI