Which of the following statements is TRUE about the reorgvg command?（）

A. No logical volumes wil be moved if write-verify is set to yes.
B. No action will be performed if it cannot fulfill the allocation requirements.
C. Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no".
D. Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.