The contents of the raw data file EMPLOYEE are listed below:
----|----10---|----20---|----30
Ruth 39 11
Jose 32 22
Sue 30 33
John 40 44
The following SAS program is submitted:
data test;
in file' employee';
input employee_ name $ 1-4;
if employee_ name = 'Sue' then input age 7-8;
else input idnum 10-11;
run;
Which one of the following values does the variable AGE contain when the name of
the employee is "Sue"?

A. 30
B. 33
C. 40
D. . (missing numeric value)


为什么选C，求点拨？