Answer:
The passage's context is <em>"survival in the wild"</em><em>;</em> how certain species thrive <em>under</em> adverse circumstances, being part of an untamed environment.
Thus if the <em>"Sand Cat"</em> is <em>"eking out a living"</em>, it definitely must be because it's likely <em>"</em><em>under </em><em>difficult conditions</em>". Thereby the most suitable answer is (C.): under.
Explanation:
A because it is the best answer there
1. To beat ultimately as the heart; pound.2. To feel or be subjected to a pulsating pain: My toe was throbbing after I stubbed it.3. To vibrate,pulsate, or sound with a steady pronounced rhythm: Boat engines throbbing
pls thank me for the answer, it keeps me motivated :)
(b) 'They saw a tethered goat with a bright orange stripe across its back' is the first clause and 'they passed a farm' connected with 'as'