They made her a soft bed on a slab of moonstone with layers of soft petals but the flowers wilted, sita writhed and groaned and complained of "

Very poetic :

  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