Look at the steps for making a cup of coffee. What is the most logical step to come 'After that'?
1. First, boil some water.
2. Next, put a spoonful of coffee into a cup.
3. Then, pour the hot water over the coffee.
4. After that, ______________.
A) Finally, add some sugar and milk.
B) Then, drink it immediately.
C) Next, grind the coffee beans.
D) First, choose your favorite mug.