evaluate语句用于控制多分支选择结构流程。 IDENTIFICATION DIVISION.
PROGRAM-ID. EVA.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 DSA PIC 9.
PROCEDURE DIVISION.
             ACCEPT DSA.
             DISPLAY 'NUM IS :' DSA.
             EVALUATE TRUE
             WHEN DSA = 1
                         DISPLAY 'IDENTIFICATION'
             WHEN DSA = 2
                         DISPLAY 'ENVIRONMENT'
             WHEN DSA = 3
                         DISPLAY 'DATA'
             WHEN DSA = 4
                          DISPLAY 'PROCEDURE'
             END-EVALUATE.
             STOP RUN. 
从终端接收值，在显示相应的结果。