Which of the following orders of relative strength of acid is correct?
- A$CH_3COOH > HCN > HOH > C_2H_5OH$
- B$CH_3COOH < HCN < HOH < C_2H_5OH$
- C$CH_3COOH > HCN < HOH < C_2H_5OH$
- D$CH_3COOH < HCN < HOH > C_2H_5OH$
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