When considering the timeframe of an investment, a rule followed by some is to choose the investment with _________ payback period.考虑一项投资的时限时，应遵循的规则是选择具有_________投资回收期的投资。
A: no (无)
B: the longest (最长)
C: the shortest (最短)
D: an infinite (无限)
A: no (无)
B: the longest (最长)
C: the shortest (最短)
D: an infinite (无限)
