单项选择题AninsurancecustomerinstallstwoBladeCenterchassisinarackwithglassdoors.Afterashorttime,theblowersinbothBladeCentersincreasetofullspeed,andthenonefails.Apartfromreplacingthebrokenblower,whichadditionalactionisrequiredforalongtermfix?()
A.Add Rear Door Heat eXchanger
B.Add fans to the top of the racks
C.Increase circulation from Data Center raised floor
D.Change to perforated doors