【程序】SET TALK OFFINPUT “X=” TO XDO CASE CASE X>10 ?“OK1” CASE X>20 ?“OK2” OTHERWISE ?“OK3
【程序】
SET TALK OFF
INPUT “X=” TO X
DO CASE
CASE X>10
?“OK1”
CASE X>20
?“OK2”
OTHERWISE
?“OK3”
ENDCASE
SET TALK ON
RETURN
程序运行时输入X值为9,则显示结果为 ______。
A.“OK1”
B.OK1
C.“OK2”
D.“OK3”