问题

I ______ this business if my friend Ray ______ willing to act as my helper. [ ]
A: could not start; had not been
B: could never have started; was not
C: could never have started; had not been
D: could have started; were
B: could never have started; was not
C: could never have started; had not been
D: could have started; were
正确答案是: