An analyst does research about hedge funds. The returns from hedge funds that contain infrequently traded assets most likely exhibit a downward bias with respect to correlations with:

A. both conventional equity returns and conventional fixed income returns.
B. conventional equity returns but not with conventional fixed income retums.
C. conventional fixed income returns but not with conventional equity returns.

现场直埋电缆的走向应按施工总平面布置图的规定，沿主道路、组合场、（）等的边缘直接埋设，埋深不得小于0.7m；转弯处应在地面上设明显标志；通过道路时应采用保护套管，管径不得小于电缆外径的1.5倍，且不得小于100mm。电缆沿构筑物架空敷设时，其高度不得低于2m。电缆接头处应有防水和防止触电的措施。