The king is said to _________ by the spider weaving its web in the cave where he was hiding and defeated his enemy at last.

A.be encouraged

B.being encouraged

C.have been encouraged

D.have encouraged

答案及解析： C

解析：

本题考查动词不定式的用法。根据语境by the spider要用被动形式；不定式动作在谓语动词的动作之前发生，所以选C项。