下面的英语句子如何排顺序?5.When he gets home,he figures out how to arran

下面的英语句子如何排顺序?
5.When he gets home,he figures out how to arrange the pots on his balcony.6.Then he mixes the soil and fertilizer.7.He places each empty flowerpot in its place.8.He fills the pots with soil and he plants the seedlings.
A.5768
B.5687
C.6578
D.7568