请选择ABC-E+A*l.e My grandpa is going to the supermarket this morning.;g)u-{8o.p*I'X7^;y4^'p(h-D3g:Y3i
A、in;g)u-{8o.p*I'X7^;y4^'p(h-D3g:Y3i
B、on;g)u-{8o.p*I'X7^;y4^'p(h-D3g:Y3i
C、/;g)u-{8o.p*I'X7^;y4^'p(h-D3g:Y3i