Answer:
The correct answer is option - protein.
Explanation:
T dependent or the thymus-dependent antigen is the antigen that depends on the T cells with B cell to produce specific antibodies. It is mediated by the MHC II molecules with T cells.
This type of antigen includes polypeptides, erythrocytes, and proteins, and other antigens. These antigens contain epitopes.
Thus, the correct answer is option - proteins