Guy above is correct, deserves brainliest.
Answer:
D- Refusing to testify against oneself in court.
Explanation:
Thoreau wanted to prove that he could live simply <span>and enjoy things.</span> He proved that by living for: about two years in a cabin he built near Walden Pond.
He also wanted to find out what nature could teach you and what it had to offer.
Hope that helps!
-Chris
There are two participles in this sentence: 'purring' and 'whining'. A participle is used as an adjective and modifies a noun (purring cat), but it can also be used as a part of past continuous tense (was whining).