If an investor thinks that the issuer of a debt security is unlikely to default it may: 

Select one: 

a. Sell a CDS contract to a holder of the debt security in question. 

b. Buy a CDS contract from the issuer of the debt security in question. 

c. Buy a CDS contract, but avoid buying any of the issuer's securities (e.g., bonds, stock). 

d. Sell a CDS contract to the issuer of the debt security in question.