单选题：You can arrive in Beijing earlier for the meeting, __ you do..

— Have you got any money on you? — I hate to have to say this, _____I have _____at all. [ ]A. and; not B. yet; nothing C. but; none D. however; quite a little

________ I can see, there is only one possible way to keep away from the danger.[ ]A. As long asB. As far asC. Just asD. Even if

He was about to tell me the secret _____ someone patted him on the shoulder. [ ]A. asB. until C. while D. when

— Do you know anything about that man?—No. I know nothing about him _______ I read in the newspaper yesterday.[ ]A. besides B. except whatC. except forD. except when

._______ there is going to be a policy change ________ of those things is going to change. [ ]A. Unless; fewB. Until; fewC. Unless; noneD. Until; none