问题描述：
The king is said ( ) by the spider weaving its web in the caves where he was hiding and defeated his enemy at last.
A.to be encouraging
B.to have encouraged
C.to be encouraged
D.to have been encouraged
为什么选D?
A.to be encouraging
B.to have encouraged
C.to be encouraged
D.to have been encouraged
为什么选D?
问题解答：
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