The local host on a small network is named Earth. There is also a remote host on the network named Saturn. The system administrator of the network is in the /u/tmp directory of Earth， and starts an ftp to Saturn as root. Which of the following sequence of commands issued from the local host， Earth， will：（）。 1.Change to the /u/new directory on Saturn. 2.Check to see if there is an a.out file on remote host Saturn. 3.Transfer a.out from Earth to Saturn.
- Acd /u/new ls a.out put a.out
- Bcd /u/new ls a.out get a.out
- Clcd /u/new ls a.out put a.out
- Dlcd /u/new ls a.out get a.out