Preposition is a word that indicates location so with that said....
pocket: I put the keys in my pocket (location)
bed: I put my shirt on my bed (location)
cushions: I set the vase down on the cushion (location?)
afternoon is a time. so the answer is afternoon
B) over
It’s not hard over is the correct word in this sequence because around , to, under, changes the sentence sequence
The words suggest full of wonderful “winged lizards”