Read the following context and choose the best option to answer the question.
Context: I was treading water thinking they will come back , but the rope from the tubes had gotten stuck in the prop under the boat . I calmly yelled out please come back and get us . I looked over at them doing there thing over at the boat as they floated father away , I started getting tired and thought ok , they better get back here . As I sat there swimming I thought come on now I yelled come on and get over here .
Question: Why was the narrator having so much difficulty in the water ?
Options: 
A. The narrator is a swim instructor .
B. The narrator is a world - class swimmer .
C. The narrator is a talented swimmer .
D. None of the above choices .


D