A、m>sqm>.rear= (m>sqm>.rear+1)mom>dm> MAXSIZE; m>sqm>.elem[m>sqm>.rear]=x; B、m>sqm>.elem[m>sqm>.rear]=x; m>sqm>.rear= (m>sqm>.rear+1)mom>dm> MAXSIZE; C、m>sqm>.front= (m>sqm>.front+1)mom>dm> MAXSIZE; m>sqm>.elem[m>sqm>.front]=x; m>Dm>、m>sqm>.elem[m>sqm>.front]=x; m>sqm>.front= m>sqm>.front+1;