题目

The first color TV set was considered by most people________this century. A. having been invented it    B. one of whom invented C. who had invented it        D.to have been invented 答案：D 解析: 动词consider 的非谓语考查形式。符合“consider+宾语+宾补”结构，根据句意判断此句的宾补在consider之前已经发生，故用不定式的完成式。Mary ________ passing the entrance examination. A. succeeded      B. succeeded in   C. succeeds in      D. succeeds