单选题
As computer security systems become even more advanced, ______the methods of those who try to break into them illegally.
【正确答案】
A
【答案解析】[解析]句意为：随着计算机安全系统日益先进，试图非法进入安全系统的方式也变得先进。本题考查so的用法。so+系动词(助动词或情态动词)+另一主语。此句型是主谓例装结构，表示前句所述肯定情况也适用于另一主语。Too表示“也”的意思i根据句意可知，答案是A。