The SAS data set SASUSER.HOUSES contains a variable PRICE which has been
assigned a permanent label of "Asking Price".
Which one of the following SAS programs temporarily replaces the label "Asking
Price" with the label "Sale Price" in the output?
A. proc print data = sasuser.houses;
label price = "sale Price";
run;
B. proc print data = sasuser.houses label;
label price "Sale Price";
run;
C. proc print data = sasuser.houses label;
label price "Sale Price";
run;
D. proc print data = sasuser.houses label = "Sale Price";
run;
Answer: C
我在想答案是不是有问题呢，不是应该选A吗