标签：下面哪个反应不易进行，需加强热?A(CHCO)O+NaOH─→CHCOH+CHCONaBCHCOH+NH─→CHCONH+HOCCHCOCl+HO─→CHCOH+HClDCHCOBr+CHOH─→CHCOCH+HBr