Being interested in penguins, Paul wanted to study the effect of fast food hamburgers on the weight of penguins. After many trials of trying to get the penguins to eat the burgers, Paul became frustrated at the fact that the penguins were losing weight and not eating any of the burgers. Why was Paul's experiment not a complete waste of time and resources?

Responses

APaul got to spend time with the penguins.
Paul got to spend time with the penguins.
BThere was nothing valuable gained from this.
There was nothing valuable gained from this.
CThe penguins were overweight and needed to lose weight.
The penguins were overweight and needed to lose weight.

DPaul found that fast food burgers cause penguins to lose weight.
Paul found that fast food burgers cause penguins to lose weight.

has to be one of the answers above

DPaul found that fast food burgers cause penguins to lose weight.