I am pretty sure it is option "A."
Diligence by definition means to "careful and persistent work or effort"
So yeah the answer is A.
Hope this helped-- <span />
I'm guessing it is probably because she drinks it so fast that she doesn't give it a chance to poison her body. He drinks so slowly so he gives it a chance to go throughout his body and kill him. That's my best guess, because I am no genius.
Answer:yes
Explanation:I took the test