89. Given the text file COLORS.TXT:
----+----1----+----2----+----
RED ORANGE YELLOW GREEN
BLUE INDIGO PURPLE VIOLET
CYAN WHITE FUCSIA BLACK
GRAY BROWN PINK MAGENTA
The following SAS program is submitted:
data WORK.COLORS;
infile 'COLORS.TXT';
input @1 Var1 $ @8 Var2 $ @;
input @1 Var3 $ @8 Var4 $ @;
run;
What will the data set WORK.COLORS contain?
A. Var1 Var2 Var3 Var4
------ ------ ------ ------
RED ORANGE RED ORANGE
BLUE INDIGO BLUE INDIGO
CYAN WHITE CYAN WHITE
GRAY BROWN GRAY BROWN


input语句中的@8，不是第8列的意思吗？请问这里哪里有第八列呢？所以这个A是如何得出的？
谢谢！