Some examples are: finally, in a word, in brief, briefly, in conclusion, in the end, in the final analysis, on the whole, thus, to conclude, to summarize, in sum, to sum up, in summary
C. Kim had to leave the boat, but she could not swim.
Explanation:
The word "irresolvable" means there is no solution, it cannot be solved. In answer C, there is no solution. She has to leave the boat but she can't swim. Hope this helps :)
