想请教下adv 63题里面第38题
The following SAS program issubmitted:
%macro CHECK(Num=4);
%let Result=%eval(&Num gt5);
%put Result is &result;
%mend;
%check(Num=10)
What is written to the SAS log?
A.
Result is 0
B.
Result is 1
C.
Result is 10 gt 5
D.
Result is true
答案选B
想请问下这道题是拿4还是10去跟5比较呢?具体是得怎么看?
还有就是为什么把4和10位置互换后,答案就变成Result is 0了呢?