Which of the following descriptions of this scenario is wrong?

In order to test the distributed file service functions of application A and application B, the developer installs application A and application B on both device 1 and device 2. During the test, application A on device 1 creates a distributed file X, and application B on device 2 creates a distributed file Y.

Which of the following descriptions of this scenario is wrong?
A . If Device 1 and Device 2 are logged in to different HarmonyoS accounts, distributed file sharing cannot be implemented
B . If device 1 runs out of power and causes the device to go offline, distributed file X cannot be accessed
C . With distributed file services, application A on device 1 is able to read and write file Y on device 2
D . Application A and Application B need to apply for ohos.permission.DISTRIBUTED_DATASYNC permissions to use the full functionality of the distributed file service

Answer: C