the car is in good condition ,I don't care about the price.
A. If only
B. Unless
C. As long as
D. While
网友回答
A. If only
B. Unless
(答案→)C. As long as
D. While
解析：句意:我不计较价钱，只要车很好用就行了。if only但愿；要是……就好了; unless如果不;除非; as long as只要; while当……时候; 而;虽然。根据题意，只有C项符合题意。