Fact Pattern 31-1Ray Is a Shareholder of Small Biz Company

Fact Pattern 31-1Ray is a shareholder of Small Biz Company (SBC) . When the directors fail to undertake an action to redress a wrong suffered by SBC, Ray files a suit on the firm's behalf.
-Refer to Fact Pattern 31-1.Ray's suit is a shareholder's 

A)  ​duty-of-care suit. 
B)  ​business-judgment rule suit. 
C)  ​duty-of-loyalty suit. 
D)  ​derivative suit.