Given the SAS data set PERM.STUDENTS:
PERM.STUDENTS
NAME AGE
------- ------
Alfred 14
Alice 13
Barbara 13
Carol 14
The following SAS program is submitted:
libname perm 'SAS data library';
data students;
set perm.students;
file 'file specification';
put name $ age;
<insert statement here>
run;
The following double-spaced file is desired as output:
Alfred 14
Alice 13
Barbara 13
Carol 14
Which statement completes the program and creates the desired file?
A. put;
B. put /;
C. double;
D. put _null_;                       求解释哈~~ 谢谢啦！