Can someone try and reword this sentence to make it make sense? Katniss had just discovered her sister's death was thought that President Coin had that to try and do with a new game featuring the Capitol leader's children.

The correct answer is c

  i think you forgot to put the options but if your reffering to this question then your answer will be "b"  a. add "to" to the base form to create an adjective.b. when the subject of a sentence is singular, add "–s" to the base form.c. add "–ed" to irregular base forms to form the past participle.d. do not use a base form with plural subjects