Use the Information for the Question(s)below

Use the information for the question(s) below.
Big Cure and Little Cure are both pharmaceutical companies.Big Cure presently has a potential "blockbuster" drug before the Food and Drug Administration (FDA) waiting for approval.If approved,Big Cure's blockbuster drug will produce $1 billion in net income for Big Cure.Little Cure has 10 separate less important drugs before the FDA waiting for approval.If approved,each of Little Cure's drugs would produce $100 million in net income for Little Cure.The probability of the FDA approving a drug is 50%.
-Which of the following types of risk doesn't belong?

A) Market risk
B) Unique risk
C) Idiosyncratic risk
D) Unsystematic risk