The following SAS program is submitted:

data work.test;
First = 'Ipswich, England';
City_Country= substr(First,1,7)!!', '!!'England';
run;
Which one of the following is the length of the variable CITY_COUNTRY in the
output data set?
A. 6
B. 7
C. 17
D. 25

and plus: what will be the value of the variable CITY_COUNTRY in the output data set?


Thx in advance~