Not sure which one plz help

C and D.

Explanation:

Antibodies are proteins produced by the body's immune response against an antigen. They bind to foreign substances in the body to "mark" or signal to other parts of the immune response that the substances must be destroyed.

radon is correct hope this

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!