which goes by the name of "mydata" on volume "vol1"?

Which of the following lines BEST describes a 50M tree quota for a qtree which goes by the name of “mydata” on volume “vol1”?
Target Type Disk Files Thold Sdisk Sfiles

A.
steve tree@/vol/vol1 50M – –

B.
/vol/vol1 steve@tree 50M – –

C.
/vol/vol1 qtree/steve 50M – –

D.
/vol/vol1/mydata tree 50M – –