请选择DCBA9A/j3b;T9b+b'l8X9N.c4~+O Stop _______ the door.There is somebody outside.:M*J3X1?4f*O.a*Q1R/m.y
A. to open:M*J3X1?4f*O.a*Q1R/m.y
B. open:M*J3X1?4f*O.a*Q1R/m.y
C. opening:M*J3X1?4f*O.a*Q1R/m.y
D. opens:M*J3X1?4f*O.a*Q1R/m.y