Which of the following is the correct order of decreasing acid strength (more acidic > less acidic)?
A. FCH₂COOH
B. ClCH₂COOH
C. BrCH₂COOH
D. CH₃COOH > ClCH₂COOH > ClCHCOOH
E. CH₃COOH > FCH₂COOH > CH₂CHOH
F. CH₃CH₂OH > FCH₂COOH > ClCH₂COOH