请问老师，这里long的是5年还是10年的CDS的区别在哪里啊？谢谢！
问题如下图：
选项：
A. 
B. 
C. 
解释：
NO.PZ201712110200000509问题如下A profitable equity-versus-cret tra involving lta anZega is to:A.short Zega shares anbuy protection on lta using the 10-yeC.B.go long Zega shares anbuy protection on lta using 5-yeC.C.go long lta shares anbuy protection on lta using 5-yeC. B is correct.The shares of Zega csola higher pria result of the unsolicitebiin the market. If lta Corporation issues significantly more bt, there is a higher probability thit mfault. If the Funsells protection on lta now, the tra will realize a profit cret sprea win. equity-versus-cret tra woulto go long (buy) the Zega shares anbuy protection on lt如果改成short lta stock和long lta C可以选吗？lta的ratio增加使得股价下跌可能性增加所以short收购方股价
NO.PZ201712110200000509 go long Zega shares anshort lta 5-yeC. go long lta shares ango long lta 5-yeC. B is correct. If lta Corporation issues significantly more bt, it raises the probability thit mfault, thereincreasing the C sprea The shares of Zega will bought a premium resulting from the unsolicitebiin the market. equity-versus-cret tra woulto go long (buy) the Zega shares anshort (buy protection) the lta five-yeC. 5 ye和 10 year在这道题目里面有区别吗？
老师，我选了A。原因是Zega和lta的leverage ration都很大，lta发债后ratio上升，因此CR上升，这个很好理解。但是Zege被unsolicite购后，可能会导致企业经营状况变差，从而CR也上升。因此我选了A，short两个公司的C。请问我的理解哪里有误呢？
请问unsolicitebi是什么意思？
