In Anjali's flower garden, \[\frac{1}{7}\]are white roses, \[\frac{4}{7}\] are yellow roses and the rest are red roses. What fraction of the roses is red?

• A. \[\frac{1}{7}\]                  
• B. \[\frac{2}{7}\]  
• C. \[\frac{3}{7}\]                  
• D. \[\frac{4}{7}\]