The Mayans lived in a ranimich environment, tropical and with abundant plants and animals and at least locally, at Copan in the onduras they had fertile soil for agriculture. They declined after about the 9th century but the reason why is not known yet. The Pitcairn Islanders on the other hand, the Polynesians were only a handful to start with and had to flee when the limited resources gave out.
I would definitely go with letter choice C. A doesn't make sense because the transitive verb depends on a direct object in order to exist, not the subject of the sentence. B can't be it, because the transitive verb is an action verb linked to the Direct Object, without the DO it is just an action verb. D doesn't even mention the purpose of the transitive verb. So C would definitely be correct. Hope that Helps.
As far as i am concerned, the correct option is option "d". "Mushrooms, which come in many varieties, can be expensive is a sentence that contains an adjective clause. Any adjective clause needs to completely meet three important and basic requirements.Firstly the sentence should have a verb and a subject in it to be an adjective clause. Secondly it actually begins with relative pronouns like who, whom, whose etc. In regards to this sentence, the adjective clause is following the word that it is describing. Last but not the least important is the fact that the sentence should be like answering a question starting with who, what etc.