How Are Superantigens Able to Uniquely Activate Large Amounts of T

Multiple Choice

How are superantigens able to uniquely activate large amounts of T cells?

A) Superantigens secrete many toxins that are able to activate many different T cells.
B) Superantigens are able to travel to the lymph node to interact directly with more T cells.
C) Superantigens bind to the TCR and MHC class II molecule outside the binding groove.
D) Superantigens bind to the TCR in the binding groove like other antigens but they have more epitopes than other antigens.