The following SAS program is submitted:
data work.flights;
destination = 'CPH';
select(destination);
when('LHR') city = 'London';
when('CPH') city = 'Copenhgen';
otherwise;
end;
run;
Which one of the following is the value of the CITY variable?
A. London
B. Copenh
C. Copenhagen
D. ' ' (missing character value)


为什么选B，求解答，输出不应该是copenhgen