Referring to the exhibit, which statement is true about the command shown in the exhibit?

Referring to the exhibit, which statement is true about the command shown in the exhibit?

A. There needs to be a ; after top for the command to be accepted as a valid command. B. Only top should be used, no other options are allowed on the same line. C. The command shown in the exhibit would be accepted as a valid command. D. If you replace top with up command, it becomes valid.