Answer:
Ambiguity because the reason is that "The goal is not clear, and neither is the solution". (Option D)
Step-by-step explanation:
Ambiguity is the situation in which the management is not clear about the solution and setting goals though their are number of options are available.
The reason is that the goal is not clear here and Gawain is uncertain how to resolve the problem. In such situations the researcher must contact his senior level management and ask for guidelines which addresses what should Gawain prefer to do, make bottles bio-degradable or make chemicals research which makes the water taste better.