Based on the above paragraph please mark the order

It is Sunday today.Phong and Mai go to many places.First,they go to the bookshop because Mai wats to buy some book and pens.Then thay go to the pharmacy because tay want to buy some medicine.After tat,they go to the zoo because they want to see tha aimals.Finally,they go to the bakery.They want to buy something to eat because thay are hungry.
Based on the above paragraph please mark the order:
a.go to the zoo b.go to the bakery c.go to the pharmacy d.go to the bookshop