Patients buying this medicine paid over fifty million dollars.
The question requires that we insert the correct determiner to the object in the sentence.
If the medicine that is being referred to is just one type then, this medicine will be an accurate determiner because it is just one drug.
"These medicines" can only be used if there are different kinds of drugs.
Learn more about determiners here:
https://brainly.com/question/1790836
