问一道题：NO.PZ2015121801000128 [ CFA I ]

NO.PZ2015121801000128 问题如下 The timing of payouts for property ancasualty insurers is unprectable (\"lumpy\") in comparison with the timing of payouts for life insurancompanies. Therefore, in general, property ancasualty insurers have: A.lower liquity nee thlife insurancompanies. B.greater liquity nee thlife insurancompanies. C.a higher return objective thlife insurancompanies. is correct.The unprectable nature of property ancasualty (P claims forces P C insurers to allocate a substantiproportion of their investments into liqui short maturity assets. This neefor liquity also forces P C companies to accept investments with relatively low expectereturns. Liquity is of less concern to life insurancompanies given the greater prectability of life insuranpayouts. 这道题为什么不选C，财险和意外险的收益率要求不是比寿险高吗？