Which of the Following Methods Is Used to Prepare Esters

Multiple Choice

Which of the following methods is used to prepare esters?

A) They are prepared by adding water across a carbon-carbon double bond.
B) They are prepared by a nucleophilic substitution reaction of an alkyl halide using hydroxide.
C) They are prepared by reacting a Grignard reagent with CO₂, followed by acidification.
D) They are prepared by the nucleophilic reaction of amines with more electrophilic carboxylic acid derivatives.
E) They are prepared by reacting an alcohol with a carboxylic acid in the presence of a catalytic amount of strong acid.