Which SAS program created this output?

The following output is displayed:

Which SAS program created this output?
A . proc freq data=WORK.TESTDATA; tables gender * answer / nocol norow nopercent; run;
B . proc freq data=WORK.TESTDATA; tables answer * gender / nocol norow nopercent; run;
C . proc freq data=WORK.TESTDATA; tables gender * answer / nocol norow nopercent missing; run;
D . proc freq data=WORK.TESTDATA; tables answer * gender / nocol norow nopercent missing;

View Answer

Answer: A