Which sentence is a conclusion that can be validly drawn from the passage?

Responses
A Some human foods are not fit for animal consumption.Some human foods are not fit for animal consumption.
B Fruits and sugars are something that no pet should ever eat.Fruits and sugars are something that no pet should ever eat.
C Everything humans eat is deadly for domesticated pets to eat.Everything humans eat is deadly for domesticated pets to eat.
D Pets have such delicate digestive systems that it is hard to find safe food for them.Pets have such delicate digestive systems that it is hard to find safe food for them.

D Pets have such delicate digestive systems that it is hard to find safe food for them.