(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (PP-LOC 
      (P 在)
                    
      (LCP 
        (NP 
          (DP 
            (DT 所有))
                    
          (CP 
            (WHNP-1 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-SBJ-2 
                  (-NONE- *T*-1))
                    
                (VP 
                  (SB 被)
                    
                  (VP 
                    (VV 调查)
                    
                    (NP-OBJ 
                      (-NONE- *-2)))))
                    
              (DEC 的)))
                    
          (NP 
            (NN 企业)))
                    
        (LC 中)))
                    
    (VP 
      (VE 有)
                    
      (IP-OBJ 
        (QP-SBJ 
          (CD 百分之二十五))
                    
        (VP 
          (VC 是)
                    
          (NP-PRD 
            (CP 
              (WHNP-3 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *T*-3))
                    
                  (VP 
                    (NP-TMP 
                      (NT 今年))
                    
                    (VP 
                      (VV 入网))))
                    
                (DEC 的)))))))))
arg0: 
                    *T*-3 
                
argm: 
                    今年