Sunitha discovered a multiplication pattern. She wrote the number sentences below to show the pattern? \[\begin{align} & 40\times 10=400 \\ & 71\times 10=710 \\ & 59\times 10=590 \\ & \square \,\times 10=280 \\ \end{align}\] What number should go in the box to complete the last number sentence?

• A. 22                         
• B. 28  
• C. 80                         
• D. 88