单选题阅读下列程序  INTEGER F F(X,Y)=X+Y  A=-2.5  B=2.1  B=B+F(A,B)  WRITE(*,’(F3.1)’)B  END  程序运行的结果是()A 1B 7C 2.1D 1.7

单选题
阅读下列程序  INTEGER F F(X,Y)=X+Y  A=-2.5  B=2.1  B=B+F(A,B)  WRITE(*,’(F3.1)’)B  END  程序运行的结果是()
A

 1

B

 7

C

 2.1

D

 1.7


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