Hi!
The word straits, in this case, means a troubling situation. It is a synonym with the word crisis, therefore i believe your answer is B. Crisis
Hope this helps :)
I believe the answer is Present Perfect.
Hope this helps!!
Chris McCandless went on long trips alone in his car. He donated all his savings to charity and left his car in America. He wanted to test his ability and survive alone. When he is in<span> the wild, he was sick, injured and weak. He wrote a message on the bus saying he is alone and he needs help.</span>
Its linking 2 closely related independent clauses.
