I can't imagine ___ that with then.A do B to do C being done D doing

I can't imagine ___ that with then.A do B to do C being done D doing
I can't imagine ___ that with then.A do B to do C being done D doing

I can't imagine ___ that with then.A do B to do C being done D doing
D
imagine doing sth

D imagine这个词后面要接doing。