The Total Physical Response method, put forward by ______, is a language teaching method which attempts to teach language through physical activity.

A．James Asher

B．Caleb Gattegno

C．Charles Curran

D．Georgi Lozanov

袋封装总的要求：不漏装、不误装、（）；袋身完好、内装平整紧凑、封口严密、标志清晰。