1.C
so+强调部分提前 部分倒装
A没倒装
B完全倒装
D时态不对
原型是
the children become so interested in their computers that leader at summer computer camps often have to force them to break for sports and gamer.
2.A
强调句
原型是
it is what (强调部分)that he does to make his students so fascinated with his lessons