Answer:They can be developed in response to difficult situations. Grit is the will and force to climb out of a poor situation and continue on. Resilience can again, push someone to continue and strive for more. Adversity forces people into situations they normally can't escape without these two characteristics. Hope this helps.
B. is the answer. "Until I get a replacement for my broken cellular phone I will not be able to call you on my way home."
P.S. the answer C. had way too amny comma's in all the wrong places.