The magnificent museum is said ___ about a hundred years ago.

The magnificent museum is said ___ about a hundred years ago.
A、to be built
B、to have been built
C、to have built
D、to have being built
【正确答案】：B
【题目解析】：本题测试非谓语动词的用法。本句为不定式的完成式的被动式。本句的意思是：“据说这个庄严的博物馆是大约100年前建成的。”所以答案选B。