The phrase <em>eating a peanut butter sandwich </em>is a gerund phrase, given that the word <em>eating </em>is a gerund.
The answer would be the first choice "<span>A radio interview"</span>
The themes that apply to all the selections in this unit is A and D
#14 - B.) He throws the game on purpose
#15 - D.) Doesn't wreck the board
#16 - D.) Are too afraid of other people finding out about Russell's illness
Hope this helps :)