Each player of chess is trying to trap the other player’s king into a position _________

escape is impossible.

Each player of chess is trying to trap the other player’s king into a position _________escape is impossible.

1. A.
   when
2. B.
   that
3. C.
   in which
4. D.
   from which

Each player of chess is trying to trap the other player’s king into a position _________

 escape is impossible.

       A. when            B. that                     C. in which               D. from which

Each player of chess is trying to trap the other player’s king into a position _________
escape is impossible.

Each player of chess is trying to trap the other player's king into a position _____ escape is impossible.

[　　]

A．when　　　　　B．that

C．in which　　　 D．from which