91. The following SAS program is submitted:
proc format;
value score 1 - 50 = 'Fail'
51 - 100 = 'Pass';
run;
Which one of the following PRINT procedure steps correctly applies the format?
A. proc print data = SASUSER.CLASS;
var test;
format test score;
run;
B. proc print data = SASUSER.CLASS;
var test;
format test score.;
run;
C. proc print data = SASUSER.CLASS format = score;
var test;
run;
D. proc print data = SASUSER.CLASS format = score.;
var test;
run;
Answer: B

想问下大家BD的区别。
谢谢！