The first question was difficult , but ___ were quite easy.

A．the second

B．the other

C．another

D．the rest

阅读以下FORTRAN程序： K1=M(5) K2=M(K1) K3=M(K1)+M(K2) K4=M(K1+K2+K3) WRITE(*，100)K4 100 FORMAT(2X，'K4'='，I3) END FUNCTION M(N) M=N+1 RETURN END 程序的输出结果是：

A．(A) K4=28

B．(B) K4=27

C．(C) K4=30

D．(D) K4=29