Hình vẽ sau đây mô tả thí nghiệm điều chế chất hữu cơ Y

A.${\mathrm{CH}}_3\mathrm{COOH}+{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$ $\stackrel{{\mathrm{H}}_2{\mathrm{SO}}_{4 , \mathrm{t}°}}{\rightleftarrows }$ ${\mathrm{CH}}_3{\mathrm{COOC}}_2{\mathrm{H}}_5+{\mathrm{H}}_2\mathrm{O}$

B.${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}\stackrel{{\mathrm{H}}_2{\mathrm{SO}}_{4, \mathrm{t}°}}{\rightleftarrows }$ ${\mathrm{C}}_2{\mathrm{H}}_4+{\mathrm{H}}_2\mathrm{O}$

C.${\left({\mathrm{C}}_{17}{\mathrm{H}}_{35}\mathrm{COO}\right)}_3{\mathrm{C}}_3{\mathrm{H}}_5+3\mathrm{NaOH}$ $\stackrel{\mathrm{t}°}{\to }$ $3{\mathrm{C}}_{17}{\mathrm{H}}_{35}\mathrm{COONa}+{\mathrm{C}}_3{\mathrm{H}}_5{\left(\mathrm{OH}\right)}_3$

D.${\mathrm{CH}}_3{\mathrm{COOH}}_3{\mathrm{NCH}}_3+\mathrm{NaOH}$ $\stackrel{\mathrm{t}°}{\to }$${\mathrm{CH}}_3\mathrm{COONa}+{\mathrm{H}}_2\mathrm{O}$ $+ {\mathrm{CH}}_3{\mathrm{NH}}_2$