Answer:
B) Whenever possible, someone the cat loves is allowed to be there when the drug is administered.
Step-by-step explanation:
The phrase shown in the question above speaks of the possibility that someone the cat loves to be present at the moment the drug is being administered to the cat. To represent the expression "at the moment", the author of the phase used the word "since", but this is incorrect and does not quite represent the meaning that the phase wants to convey. The correct in this case would be to use the word "when", as was done in the letter B.