11. After its routine walk in the woods, the skunk flinched, revealing its long-held suspicion that birds are dirtier than everyone thinks.
Ans.
After its routine walk in the woods, the skunk flinched, revealing its long-held suspicion [that birds are dirtier than everyone thinks].
Relative Clause
What kind of suspicion? the suspicion that birds are dirtier than everyone thinks.
[Score 2pts.: 1 for recognizing the clause and 1 for identifying it correctly]