问题如下：
Which type of market participant is most likely to consistently express risk measures as a percentage of assets and relative to a benchmark?
选项：
A.Banks
B.
Corporations
C.Long-only asset managers
解释：
为什么是c?
Corporations Long-onlyasset managers C is correct. Long-only asset managers most commonly express risk measures in percentage terms anrelative to a benchmark, wherethe entities in answers A anB measure risk more commonly in currenunits anin absolute terms (not relative to a benchmark). Banks occasionally express risk measures, sueconomic capital, a percentage of assets or other balansheet measures, but bank risk measures are typically expressein currenunits. 这道题没看懂具体问的是什么，老师能给详细讲讲吗？谢谢老师
老师好， Long-only asset managers most commonly express risk measures in percentage terms anrelative to a benchmark 是不是也是active share的意思？ 谢谢。
Corporations Long-onlyasset managers C is correct. Long-only asset managers most commonly express risk measures in percentage terms anrelative to a benchmark, wherethe entities in answers A anB measure risk more commonly in currenunits anin absolute terms (not relative to a benchmark). Banks occasionally express risk measures, sueconomic capital, a percentage of assets or other balansheet measures, but bank risk measures are typically expressein currenunits. 老师，long only asset和long-short asset有什么区别呀？
