Imo D
Clearly D is the flaw in the plan to develop the drug for hive attacks .
If suppose a person is suffering from Allergy x caused by y and it also causes hive attacks the drug will not come to know about it will fail to stop hive attacks .
D states this .
Clearly D is the flaw in the plan to develop the drug for hive attacks .
If suppose a person is suffering from Allergy x caused by y and it also causes hive attacks the drug will not come to know about it will fail to stop hive attacks .
D states this .





