To make a cup of coffee, first, boil some water. Then, put one spoon of instant coffee into your mug. Next, pour the hot water carefully into the mug. Stir well until the coffee dissolves. You can add sugar or milk if you like.
According to the instructions, what should you do immediately after putting coffee into your mug?
A) Boil some water.
B) Stir well.
C) Add sugar or milk.
D) Pour hot water into the mug.