Which of the following is a single replacement reaction?

A. 2Al + 6H₂O yields 2Al(OH)₃ + 3H₂
B. AgNO₃ + NaCl yields AgCl + NaNO₃
C. Fe₂O₃ + 3H₂O yields 2Fe(OH)3
D. CH4 + 2O₂ yields CO₂ + 2H₂O