So involved with their computers ________ that leaders at summer computer camps often have to force them to break from sports and games．

1. A.
   the children become
2. B.
   become the children
3. C.
   do the children become
4. D.
   had the children become

So involved with their computers _____ that leaders at summer computer camps often have to force them to break for sports

and games.

A. became the children                     B. become the children

C. had the children become              D. do the children become

So involved with their computers          that leaders at summer computer camps often have to force them to break for sports and games.

A．the children become    B．become the children

C．do the children become   D．had the children become

So involved with their computers _____ that leaders at summer computer camps often have to force them to break for sports and games. 
A. became the children     B. become the children
C. had the children become      D. do the children become