The following SAS program is submitted:
data combine;
prefix=’505′;
middle=’6465 ‘;
end=’09090’;
<insert statement here>;
run;
Which statement successfully completes the program so that TOTAL has a value of 505-6465-09090?
A. total = cat(‘-‘, prefix, middle, end);
B. total = catx(‘-‘, prefix, middle, end);
C. total = prefix !!’-‘!! middle ”!!’-‘!! end;
D. total = prefix!!’-‘!! left(middle)!!’-‘!! end;
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