Oliver's teacher has shared multiple worksheets in the same spreadsheet file titled "Spreadsheets_Labs". The teacher asks Oliver to go to the "Budget" worksheet. When he opens the "Spreadsheets_Labs" file he initially sees the "Science Data" worksheet. How can Oliver go to the "Budget" worksheet?

a. He must select the new worksheet tab to see the "Budget" worksheet.
b. He needs to close the file and look for the "Budget" file in his directory.
c. He can click the tab at the bottom of the file that represents the "Budget" worksheet.
d. He can not view the "Budget" worksheet because there is only one worksheet allowed per spreadsheet file.