The button represents the start of a hyperlink in Table of contents.

An LS button

Explanation:

It appears on the (structure line 3)on the structure line, place your cursor in the white field to the right of the E button (Recall that the E button represent the entry test).

answer; numerous occupation(s);

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.