Which of the Following Is a Feasible Substitution Reaction?
A) $\rightarrow$

Which of the following is a feasible substitution reaction?

A) CH₃CH₂Cl + NaBr $\rightarrow$ CH₃CH₂Br + NaCl
B) CH₃CH₃ + NaCN $\rightarrow$ CH₃CH₂CN + NaH
C) CH₃CH₂Cl + NaOH $\rightarrow$ CH₂=CH₂ + H₂O + NaCl
D) More than one of the above.
E) None of the above.