Add the following fractions:\[\frac{\mathbf{3}}{\mathbf{7}}\mathbf{+}\frac{\mathbf{5}}{\mathbf{7}}\mathbf{+}\frac{\mathbf{8}}{\mathbf{7}}\]

• A. \[\,\frac{7}{11}\]
• B. \[\,\frac{16}{7}\]
• C. \[\,\frac{1}{3}\]
• D. All the above
• E. None of these